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\u062f\u0631\u0648\u0627\u0632\u0647 \u0634\u06cc\u0631 | COVNA\n<meta content='\"\u062f\u0631\u06cc\u0686\u0647' name='\"description\"'>\n<meta content='\"\u062f\u0631\u06cc\u0686\u0647' name='\"keywords\"'>\n<meta property='\"og:url\"' content='\"https:\/\/www.covna-china.com\/dlp\/gate-valve.html\"'>\n<meta property='\"og:type\"' content='\"Organization\"'>\n<meta property='\"og:title\"' content='\"\u062f\u0631\u0648\u0627\u0632\u0647' covna>\n<meta property='\"og:description\"' content='\"\u062f\u0631\u06cc\u0686\u0647'>\n<meta property='\"og:image\"' content='\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image\/resize,w_500,h_500\/format,webp\"'>\n<link rel='\"preload\"' as='\"image\"' href="%5C%22https:%5C/%5C/seo-console-assets.goalsites.com%5C/uploads%5C/covna-china_com%5C/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image%5C/resize,w_500,h_500%5C/format,webp%5C%22">\n<link rel='\"shortcut' icon href="%5C%22https:%5C/%5C/seo-console-assets.goalsites.com%5C/uploads%5C/covna-china_com%5C/28281afb-cdb2-48b8-986b-53cc3d9f6301.png?t=1666644798&x-oss-process=image%5C/resize,w_32,h_32%5C/format,webp%5C%22">\n<link rel='\"preload\"' href="%5C%22https:%5C/%5C/fonts.googleapis.com%5C/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;0,800;1,300;1,400;1,600;1,700;1,800&display=swap%5C%22" as='\"font\"' crossorigin>\n<link rel='\"stylesheet\"' href="%5C%22https:%5C/%5C/cdn.staticfile.org%5C/tiny-slider%5C/2.9.3%5C/tiny-slider.css%5C%22">\n<style>\n :root {\n --primary: #0e97ff\n }\n\n body {\n margin: 0 !important\n }\n\n [digood-page-content] {\n height: 100vh;\n width: 100%;\n overflow-y: auto\n }\n\n [digood-page-content] *,\n [digood-page-content] ::after,\n [digood-page-content] ::before {\n box-sizing: border-box\n }\n\n [digood-page-content] section {\n display: block\n }\n\n [digood-page-content] [tabindex=\"-1\"]:focus:not(:focus-visible) {\n outline: 0 !important\n }\n\n [digood-page-content] h1,\n [digood-page-content] h2,\n [digood-page-content] h4,\n [digood-page-content] h5 {\n margin-top: 0;\n margin-bottom: .5rem\n }\n\n [digood-page-content] p {\n margin-top: 0;\n margin-bottom: 1rem;\n color: #555556;\n font-size: 16px;\n line-height: 1.6\n }\n\n [digood-page-content] a {\n color: inherit;\n text-decoration: none;\n background-color: transparent\n }\n\n [digood-page-content] a:hover {\n text-decoration: unset\n }\n\n [digood-page-content] img {\n vertical-align: middle;\n border-style: none\n }\n\n [digood-page-content] svg {\n overflow: hidden;\n vertical-align: middle\n }\n\n [digood-page-content] button {\n border-radius: 0\n }\n\n [digood-page-content] button:focus:not(:focus-visible) {\n outline: 0\n }\n\n [digood-page-content] button,\n [digood-page-content] input,\n [digood-page-content] textarea {\n margin: 0;\n font-family: inherit;\n font-size: inherit;\n line-height: inherit\n }\n\n [digood-page-content] button,\n [digood-page-content] input {\n overflow: visible\n }\n\n [digood-page-content] button {\n text-transform: none\n }\n\n [digood-page-content] [type=button],\n [digood-page-content] [type=submit],\n [digood-page-content] button {\n -webkit-appearance: button\n }\n\n [digood-page-content] [type=button]::-moz-focus-inner,\n [digood-page-content] [type=submit]::-moz-focus-inner,\n [digood-page-content] button::-moz-focus-inner {\n padding: 0;\n border-style: none\n }\n\n [digood-page-content] textarea {\n overflow: auto;\n resize: vertical\n }\n\n [digood-page-content] h1,\n [digood-page-content] h2,\n [digood-page-content] h4,\n [digood-page-content] h5 {\n margin-bottom: .5rem;\n font-weight: 500;\n line-height: 1.2\n }\n\n [digood-page-content] h1 {\n font-size: 2.5rem\n }\n\n [digood-page-content] h2 {\n font-size: 2rem\n }\n\n [digood-page-content] h4 {\n font-size: 1.5rem\n }\n\n [digood-page-content] h5 {\n font-size: 1.25rem\n }\n\n [digood-page-content] .text-center {\n text-align: center\n }\n\n [digood-page-content] ._img-fluid_1k55i_123 {\n width: 100%;\n max-width: 100%;\n height: auto\n }\n\n [digood-page-content] ._container_1k55i_128 {\n width: 100%;\n padding-right: 15px;\n padding-left: 15px;\n margin-right: auto;\n margin-left: auto\n }\n\n @media (min-width:576px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 720px\n }\n }\n\n @media (min-width:992px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n [digood-page-content] ._container_1k55i_128 {\n max-width: 1140px\n }\n }\n\n [digood-page-content] ._row_1k55i_160 {\n display: -ms-flexbox;\n display: flex;\n -ms-flex-wrap: wrap;\n flex-wrap: wrap;\n margin-right: -15px;\n margin-left: -15px\n }\n\n [digood-page-content] ._col-6_1k55i_167,\n [digood-page-content] ._col-lg-5_1k55i_174,\n [digood-page-content] ._col-lg-7_1k55i_175,\n [digood-page-content] ._col-md-3_1k55i_169,\n [digood-page-content] ._col-md-4_1k55i_170,\n [digood-page-content] ._col-md-5_1k55i_171,\n [digood-page-content] ._col-md-6_1k55i_172,\n [digood-page-content] ._col-md-7_1k55i_173,\n [digood-page-content] ._col-sm-4_1k55i_168 {\n position: relative;\n width: 100%;\n padding-right: 15px;\n padding-left: 15px\n }\n\n [digood-page-content] ._col-6_1k55i_167 {\n -ms-flex: 0 0 50%;\n flex: 0 0 50%;\n max-width: 50%\n }\n\n @media (min-width:576px) {\n [digood-page-content] ._col-sm-4_1k55i_168 {\n -ms-flex: 0 0 33.333333%;\n flex: 0 0 33.333333%;\n max-width: 33.333333%\n }\n }\n\n @media (min-width:768px) {\n [digood-page-content] ._col-md-3_1k55i_169 {\n -ms-flex: 0 0 25%;\n flex: 0 0 25%;\n max-width: 25%\n }\n\n [digood-page-content] ._col-md-4_1k55i_170 {\n -ms-flex: 0 0 33.333333%;\n flex: 0 0 33.333333%;\n max-width: 33.333333%\n }\n\n [digood-page-content] ._col-md-5_1k55i_171 {\n -ms-flex: 0 0 41.666667%;\n flex: 0 0 41.666667%;\n max-width: 41.666667%\n }\n\n [digood-page-content] ._col-md-6_1k55i_172 {\n -ms-flex: 0 0 50%;\n flex: 0 0 50%;\n max-width: 50%\n }\n\n [digood-page-content] ._col-md-7_1k55i_173 {\n -ms-flex: 0 0 58.333333%;\n flex: 0 0 58.333333%;\n max-width: 58.333333%\n }\n }\n\n @media (min-width:992px) {\n [digood-page-content] ._col-lg-5_1k55i_174 {\n -ms-flex: 0 0 41.666667%;\n flex: 0 0 41.666667%;\n max-width: 41.666667%\n }\n\n [digood-page-content] ._col-lg-7_1k55i_175 {\n -ms-flex: 0 0 58.333333%;\n flex: 0 0 58.333333%;\n max-width: 58.333333%\n }\n }\n\n [digood-page-content] ._card_1k55i_233 {\n position: relative;\n display: -ms-flexbox;\n display: flex;\n -ms-flex-direction: column;\n flex-direction: column;\n min-width: 0;\n word-wrap: break-word;\n background-color: #fff;\n background-clip: border-box;\n border: 1px solid rgba(0, 0, 0, .125);\n border-radius: .25rem\n }\n\n [digood-page-content] ._card-body_1k55i_245 {\n -ms-flex: 1 1 auto;\n flex: 1 1 auto;\n min-height: 1px;\n padding: 1.25rem\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251 {\n position: relative;\n display: block;\n width: 100%;\n padding: 0;\n overflow: hidden\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251::before {\n display: block;\n content: \"\"\n }\n\n [digood-page-content] ._embed-responsive_1k55i_251 iframe {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n width: 100%;\n height: 100%;\n border: 0\n }\n\n [digood-page-content] ._embed-responsive-16by9_1k55i_274::before {\n padding-top: 56.25%\n }\n\n [digood-page-content] ._icon-spin_1k55i_777 {\n -webkit-animation: fa-spin 2s infinite linear;\n animation: fa-spin 2s infinite linear\n }\n\n [digood-page-content] ._msg_1k55i_777 {\n display: none\n }\n\n [digood-page-content] ._alert_1k55i_251 {\n position: relative;\n padding: 12px 20px;\n margin: 16px 0;\n border: 1px solid transparent\n }\n\n [digood-page-content] ._alert_1k55i_251 ._icon_1k55i_658 {\n margin: 0 10px\n }\n\n [digood-page-content] ._alert-info_1k55i_251 {\n color: #0c5460;\n background-color: #d1ecf1;\n border-color: #bee5eb\n }\n\n [digood-page-content] ._alert-success_1k55i_251 {\n color: #155724;\n background-color: #d4edda;\n border-color: #c3e6cb\n }\n\n [digood-page-content] ._alert-danger_1k55i_251 {\n color: #721c24;\n background-color: #f8d7da;\n border-color: #f5c6cb\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 {\n padding: 0 !important\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 [hidden] {\n display: none !important\n }\n\n [digood-page-content] ._tns-outer_1k55i_278 [aria-controls],\n [digood-page-content] ._tns-outer_1k55i_278 [data-action] {\n cursor: pointer\n }\n\n [digood-page-content] ._tns-slider_1k55i_291 {\n transition: all 0s\n }\n\n [digood-page-content] ._tns-slider_1k55i_291>._tns-item_1k55i_295 {\n box-sizing: border-box\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-subpixel_1k55i_299 {\n white-space: nowrap\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-subpixel_1k55i_299>._tns-item_1k55i_295 {\n display: inline-block;\n vertical-align: top;\n white-space: normal\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-no-subpixel_1k55i_309:after {\n content: \"\";\n display: table;\n clear: both\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-no-subpixel_1k55i_309>._tns-item_1k55i_295 {\n float: left\n }\n\n [digood-page-content] ._tns-horizontal_1k55i_299._tns-carousel_1k55i_319._tns-no-subpixel_1k55i_309>._tns-item_1k55i_295 {\n margin-right: -100%\n }\n\n [digood-page-content] ._tns-no-calc_1k55i_323 {\n position: relative;\n left: 0\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328 {\n position: relative;\n left: 0;\n min-height: 1px\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-item_1k55i_295 {\n position: absolute;\n left: -100%;\n transition: transform 0s, opacity 0s\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-slide-active_1k55i_340 {\n position: relative;\n left: auto !important\n }\n\n [digood-page-content] ._tns-gallery_1k55i_328>._tns-moving_1k55i_345 {\n transition: all .25s\n }\n\n [digood-page-content] ._tns-autowidth_1k55i_349 {\n display: inline-block\n }\n\n [digood-page-content] ._tns-lazy-img_1k55i_353 {\n transition: opacity .6s;\n opacity: .6\n }\n\n [digood-page-content] ._tns-lazy-img_1k55i_353._tns-complete_1k55i_358 {\n opacity: 1\n }\n\n [digood-page-content] ._tns-ah_1k55i_362 {\n transition: height 0s\n }\n\n [digood-page-content] ._tns-ovh_1k55i_366 {\n overflow: hidden\n }\n\n [digood-page-content] ._tns-visually-hidden_1k55i_370 {\n position: absolute;\n left: -10000em\n }\n\n [digood-page-content] ._tns-transparent_1k55i_375 {\n opacity: 0;\n visibility: hidden\n }\n\n [digood-page-content] ._tns-fadeIn_1k55i_380 {\n opacity: 1;\n z-index: 0\n }\n\n [digood-page-content] ._tns-fadeOut_1k55i_387,\n [digood-page-content] ._tns-normal_1k55i_386 {\n opacity: 0;\n z-index: -1\n }\n\n [digood-page-content] ._tns-vpfix_1k55i_393 {\n white-space: nowrap\n }\n\n [digood-page-content] ._tns-vpfix_1k55i_393>div,\n [digood-page-content] ._tns-vpfix_1k55i_393>li {\n display: inline-block\n }\n\n [digood-page-content] ._tns-t-subp2_1k55i_402 {\n margin: 0 auto;\n width: 310px;\n position: relative;\n height: 10px;\n overflow: hidden\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410 {\n width: 2333.3333333%;\n width: calc(100% * 70 \/ 3);\n position: absolute;\n right: 0\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410:after {\n content: \"\";\n display: table;\n clear: both\n }\n\n [digood-page-content] ._tns-t-ct_1k55i_410>div {\n width: 1.4285714%;\n width: calc(100% \/ 70);\n height: 10px;\n float: left\n }\n\n [digood-page-content] li {\n list-style: none\n }\n\n [digood-page-content] li,\n [digood-page-content] ul {\n margin: 0;\n padding: 0\n }\n\n [digood-page-content] a {\n color: inherit;\n text-decoration: none;\n background-color: transparent\n }\n\n [digood-page-content] icon,\n [digood-page-content] svg {\n fill: currentColor;\n height: 1em;\n width: 1em;\n vertical-align: middle\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 {\n direction: ltr\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav {\n text-align: center;\n margin: 30px 0 0\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav>[aria-controls] {\n width: 10px;\n height: 10px;\n padding: 0;\n margin: 0 5px;\n border-radius: 50%;\n background: #ddd;\n border: 0\n }\n\n [digood-page-content] ._slider-wrap_1k55i_471 .tns-nav>.tns-nav-active {\n background: var(--primary)\n }\n\n [digood-page-content] ._section-header_1k55i_494 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._text_1k55i_509 ul {\n padding: 0;\n margin: 0;\n list-style: none\n }\n\n [digood-page-content] ._text_1k55i_509 ul li {\n list-style: none;\n padding-left: 36px;\n background-image: url(https:\/\/www.covna-china.com\/data:image\/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIyMiIgaGVpZ2h0PSIyMiIgdmlld0JveD0iMCAwIDI0IDI0Ij48cGF0aCBmaWxsPSIjNjY2IiBkPSJNMTIgMkM2LjUgMiAyIDYuNSAyIDEyUzYuNSAyMiAxMiAyMiAyMiAxNy41IDIyIDEyIDE3LjUgMiAxMiAyTTEyIDIwQzcuNTkgMjAgNCAxNi40MSA0IDEyUzcuNTkgNCAxMiA0IDIwIDcuNTkgMjAgMTIgMTYuNDEgMjAgMTIgMjBNMTYuNTkgNy41OEwxMCAxNC4xN0w3LjQxIDExLjU5TDYgMTNMMTAgMTdMMTggOUwxNi41OSA3LjU4WiIgLz48L3N2Zz4=);\n background-position: left center;\n background-repeat: no-repeat;\n margin-bottom: .5rem\n }\n\n [digood-page-content] ._text_1k55i_498 ul {\n list-style: none;\n padding: 0\n }\n\n [digood-page-content] ._text_1k55i_498 ul li {\n padding-left: 50px;\n position: relative;\n font-size: 16px;\n font-weight: 400;\n line-height: 24px;\n color: #565656;\n margin-bottom: 15px\n }\n\n [digood-page-content] ._text_1k55i_498 ul li:before {\n content: '\u2713';\n display: block;\n width: 30px;\n height: 30px;\n line-height: 30px;\n text-align: center;\n background-color: var(--primary);\n color: #fff;\n position: absolute;\n left: 0;\n top: 50%;\n transform: translateY(-50%);\n border-radius: 50%\n }\n\n [digood-page-content] ._section-header_1k55i_494 ._section-subtitle_1k55i_498 {\n color: var(--primary);\n font-size: 14px;\n text-transform: uppercase;\n letter-spacing: .1em;\n font-weight: 700;\n line-height: 1em\n }\n\n [digood-page-content] ._section-header_1k55i_494 ._section-title_1k55i_498 {\n position: relative;\n font-size: 32px;\n padding-left: 15px;\n border-left: 3px solid var(--primary);\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 {\n text-align: center\n }\n\n [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 ._section-title_1k55i_498 {\n padding: 0 0 15px 0;\n border: none\n }\n\n [digood-page-content] ._section-padding_1k55i_514 {\n padding: 90px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 {\n padding: 60px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._col-md-6_1k55i_172 {\n display: -ms-flexbox;\n display: flex;\n -ms-flex-direction: column;\n flex-direction: column;\n -ms-flex-pack: center;\n justify-content: center\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 {\n padding: 30px 0\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 h1 {\n margin: 0;\n color: #343434;\n font-size: 24px;\n line-height: 30px;\n font-weight: 600;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 p {\n font-size: 16px;\n line-height: 1.6;\n color: #555556\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 ._btn-action_1k55i_545 {\n width: 183px;\n height: 55px;\n border: 2px solid var(--primary);\n line-height: 51px;\n display: inline-block;\n vertical-align: middle;\n background: var(--primary);\n text-align: center;\n font-size: 12px;\n text-transform: uppercase;\n letter-spacing: .1em;\n color: #fff;\n border-radius: 27.5px;\n font-weight: 700;\n transition: all .4s ease;\n margin-top: 30px\n }\n\n [digood-page-content] ._section-banner_1k55i_518 ._banner-content_1k55i_529 ._btn-action_1k55i_545:hover {\n color: var(--primary);\n background-color: transparent\n }\n\n [digood-page-content] ._section-features_1k55i_648 {\n background-color: #ededed\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item {\n position: relative;\n vertical-align: middle;\n -webkit-transform: perspective(1px) translateZ(0);\n transform: perspective(1px) translateZ(0);\n box-shadow: 0 0 1px transparent;\n position: relative;\n -webkit-transition-property: color;\n transition-property: color;\n -webkit-transition-duration: .5s;\n transition-duration: .5s;\n -webkit-box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n background: #fff;\n display: block;\n text-align: center;\n padding: 60px 30px;\n height: 100%;\n cursor: pointer\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:before {\n content: \"\";\n position: absolute;\n z-index: -1;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: var(--primary);\n -webkit-transform: scaleY(0);\n transform: scaleY(0);\n -webkit-transform-origin: 50% 0;\n transform-origin: 50% 0;\n -webkit-transition-property: transform;\n transition-property: transform;\n -webkit-transition-duration: .5s;\n transition-duration: .5s;\n -webkit-transition-timing-function: ease-out;\n transition-timing-function: ease-out\n }\n\n [digood-page-content] ._section-features_1k55i_648 .slider-features {\n display: flex\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover:before {\n -webkit-transform: scaleY(1);\n transform: scaleY(1);\n -webkit-transition-timing-function: cubic-bezier(.52, 1.64, .37, .66);\n transition-timing-function: cubic-bezier(.52, 1.64, .37, .66)\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-info._center_1k55i_505 {\n text-align: center\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .icon-box {\n display: inline-block;\n vertical-align: middle;\n position: relative;\n width: 60px\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .icon-box:before {\n content: '';\n width: 55px;\n height: 55px;\n background: var(--primary);\n position: absolute;\n top: -15px;\n left: -15px;\n border-radius: 50%;\n opacity: .1;\n -webkit-transition: all .4s ease;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .icon-box:before {\n opacity: 1;\n background: rgba(255, 255, 255, .1)\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-title {\n color: #343434;\n font-size: 20px;\n font-weight: 500;\n margin-top: 35px;\n margin-bottom: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .feature-text,\n [digood-page-content] ._section-features_1k55i_648 .feature-item:hover .feature-title {\n color: #fff\n }\n\n [digood-page-content] ._section-features_1k55i_648 .feature-item .feature-text {\n font-size: 16px;\n line-height: 30px;\n color: #555556;\n margin: 0\n }\n\n [digood-page-content] ._section-about_1k55i_568 {\n background-color: #f8f9fa\n }\n\n [digood-page-content] ._section-about_1k55i_568 ._row_1k55i_160 {\n align-items: center\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 {\n border: none;\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 {\n position: relative;\n overflow: hidden;\n cursor: pointer;\n display: block;\n width: 100%;\n padding: 0\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:before {\n content: ' ';\n display: block;\n padding-top: 100%\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 a {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n width: 100%;\n height: 100%;\n border: 0;\n display: block\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 img {\n width: 100%;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577 h4 {\n font-size: 14px;\n color: #fff;\n text-transform: uppercase;\n letter-spacing: .1em;\n position: absolute;\n font-weight: 700;\n top: 50%;\n left: 50%;\n transform: translate(-50%, -50%);\n z-index: 99;\n opacity: 0;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:after {\n content: \"\";\n position: absolute;\n top: 0;\n left: 0;\n right: 0;\n bottom: 0;\n background: var(--primary);\n opacity: 0;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover img {\n transform: scale(1.05)\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover h4 {\n opacity: 1\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-image_1k55i_577:hover:after {\n opacity: .9\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 {\n text-align: center\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 a {\n color: #343434;\n font-size: 16px;\n line-height: 1.4;\n max-height: 2.8em;\n overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._section-product_1k55i_572 ._product-item_1k55i_572 ._card-body_1k55i_245 p {\n color: #555556;\n font-size: 14px;\n line-height: 1.4;\n max-height: 4.2em;\n overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 {\n background-color: #f8f9fa\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .tns-slider {\n display: flex\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item {\n background: #fff;\n padding: 50px 60px 0;\n height: 100%;\n cursor: pointer;\n position: relative;\n -webkit-transition: all .4s ease;\n transition: all .4s ease;\n -webkit-box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%);\n box-shadow: 0 10px 25px rgb(0 0 0 \/ 5%)\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item>.icon {\n width: 120px;\n height: 120px;\n position: absolute;\n left: -15px;\n top: -30px;\n color: #0e97ff1 f\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item>p {\n font-size: 16px;\n color: #555556;\n line-height: 1.6;\n margin: 0;\n position: relative\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box {\n margin-top: 30px;\n border-top: 1px solid #fcfcfb;\n padding-top: 30px;\n padding-bottom: 60px;\n display: flex;\n align-items: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-image {\n width: 40px;\n height: 40px;\n border-radius: 50%;\n overflow: hidden;\n text-align: center\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-text {\n margin: 0 10px\n }\n\n [digood-page-content] ._section-reviews_1k55i_648 .review-item .name-box .name-title {\n margin: 0;\n font-size: 16px;\n color: var(--primary);\n font-weight: 600\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-info_1k55i_761 h5 {\n color: var(--primary);\n font-size: 14px;\n text-transform: uppercase;\n letter-spacing: .1em;\n font-weight: 700;\n line-height: 1em\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-info_1k55i_761 h2 {\n color: #343434;\n font-size: 32px;\n font-weight: 600;\n margin-top: 5px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 {\n border: 0;\n border-bottom: 3px solid #f9f7f5\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 {\n margin-bottom: 0;\n padding: 20px 30px;\n border: 0;\n background: 0 0\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 h4 {\n margin-bottom: 0\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 a {\n font-size: 18px;\n font-weight: 600;\n color: #343434;\n position: relative;\n display: block\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-header_18vzw_353 ._icon_1k55i_658 {\n position: absolute;\n right: 0;\n font-size: 24px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-body_1k55i_245 {\n border: 0;\n padding: 0 30px 20px\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._faq-list_18vzw_465 ._faq-item_1k55i_652 ._card-body_1k55i_245 p {\n font-size: 16px;\n color: #555556\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._collapse_18vzw_331 {\n display: block;\n max-height: 0;\n overflow: hidden;\n transition: max-height .5s cubic-bezier(0, 1, 0, 1);\n transition: max-height .5s cubic-bezier(0, 1, 0, 1)\n }\n\n [digood-page-content] ._section-faq_1k55i_648 ._collapse_18vzw_331._open_18vzw_495 {\n max-height: 99em;\n transition: max-height .5s ease-in-out\n }\n\n [digood-page-content] ._section-blog_1k55i_706 {\n background-color: #fafafa\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 {\n position: relative;\n overflow: hidden;\n cursor: pointer;\n display: block;\n width: 100%;\n padding: 0\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577:before {\n content: ' ';\n display: block;\n padding-top: 66.66%\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 a {\n position: absolute;\n top: 0;\n bottom: 0;\n left: 0;\n width: 100%;\n height: 100%;\n border: 0;\n display: block;\n text-align: center\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 ._date-time_1k55i_714 {\n background: #343434;\n width: 60px;\n height: 60px;\n text-align: center;\n color: #fff;\n font-size: 12px;\n font-weight: 600;\n text-transform: uppercase;\n line-height: 14px;\n border-radius: 50%;\n padding: 15px;\n position: absolute;\n top: 10px;\n left: 10px;\n z-index: 10\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 a {\n display: block;\n font-size: 16px;\n line-height: 1.4;\n max-height: 4.2em;\n height: 4.2em;\n overflow: hidden;\n text-overflow: ellipsis;\n color: #343434;\n font-weight: 600;\n transition: all .4s ease\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 a:hover {\n color: var(--primary)\n }\n\n [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-body_1k55i_245 p {\n font-size: 16px;\n color: #555556;\n line-height: 1.6;\n max-height: 4.8em;\n overflow: hidden;\n text-overflow: ellipsis\n }\n\n [digood-page-content] ._btn-more_1k55i_706 {\n display: inline-block;\n text-align: center;\n background-color: var(--primary);\n color: #fff;\n border-radius: 25px;\n padding: 10px 20px;\n margin-top: 30px;\n text-transform: capitalize\n }\n\n [digood-page-content] ._section-contact_1k55i_757 {\n background-color: #fff\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-info_1k55i_761 h5 {\n color: var(--primary);\n font-size: 14px;\n text-transform: uppercase;\n letter-spacing: .1em;\n font-weight: 700;\n line-height: 1em\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-info_1k55i_761 h2 {\n color: #343434;\n font-size: 36px;\n font-weight: 600;\n margin-top: 5px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._form-group_1k55i_777 {\n margin-bottom: 30px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 input,\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 textarea {\n border: none;\n outline: 0;\n background-color: transparent;\n padding: 0 15px 10px 15px;\n border-bottom: 2px solid #e4e0db;\n font-size: 18px;\n color: #555556;\n display: block;\n width: 100%\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 textarea {\n height: 90px\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._btn-action_1k55i_545 {\n border: none;\n outline: 0;\n padding: 0;\n background: var(--primary);\n display: inline-block;\n vertical-align: middle;\n width: 170px;\n height: 55px;\n line-height: 55px;\n text-align: center;\n font-size: 12px;\n font-weight: 700;\n letter-spacing: .1em;\n text-transform: uppercase;\n color: #fff;\n overflow: hidden;\n border: none;\n border-radius: 27.5px;\n transition: all .4s ease;\n cursor: pointer\n }\n\n [digood-page-content] ._section-contact_1k55i_757 ._contact-form_1k55i_777 ._btn-action_1k55i_545:hover {\n background-color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 {\n background-color: #ededed\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._section-title_1k55i_500 {\n color: #333\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-link {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active .tab-link {\n color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-tab_13kno_350 .tab-nav .tab-item.active {\n border-color: var(--primary)\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 ._tags-box_13kno_350 a:hover {\n color: #343434\n }\n\n [digood-page-content] #_section-links_1k55i_757 p {\n margin-bottom: 0;\n text-align: center\n }\n\n [dir=rtl] [digood-page-content] {\n text-align: right\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494 ._section-title_1k55i_498 {\n padding-left: 0;\n padding-right: 15px;\n border-left: none;\n border-right: 3px solid var(--primary);\n text-transform: capitalize\n }\n\n [dir=rtl] [digood-page-content] ._section-header_1k55i_494._center_1k55i_505 ._section-title_1k55i_498 {\n border: none\n }\n\n [dir=rtl] [digood-page-content] ._section-faq_1k55i_648 ._faq-item_1k55i_652 ._icon-box_1k55i_658 {\n right: auto;\n left: 15px\n }\n\n [dir=rtl] [digood-page-content] ._section-faq_1k55i_648 ._faq-item_1k55i_652 ._icon-box_1k55i_658:before {\n left: auto;\n right: -7px\n }\n\n [dir=rtl] [digood-page-content] ._section-blog_1k55i_706 ._blog-item_1k55i_710 ._card-image_1k55i_577 ._date-time_1k55i_714 {\n left: auto;\n right: 10px\n }\n <\/style>\n<style>\n body {\n margin: 0;\n font-family: 'Open Sans', sans-serif\n }\n\n a,\n a:hover {\n text-decoration: unset;\n color: inherit\n }\n\n .img-height {\n max-height: 100%;\n width: auto\n }\n\n .icon {\n width: 1em;\n height: 1em;\n fill: currentColor;\n vertical-align: middle\n }\n\n .container {\n width: 100%;\n padding-right: 15px;\n padding-left: 15px;\n margin-right: auto;\n margin-left: auto\n }\n\n .navbar {\n display: flex;\n justify-content: space-between;\n align-items: center\n }\n\n .header {\n background-color: #fff;\n -webkit-box-shadow: 0 0 2px rgb(0 0 0 \/ 15%);\n box-shadow: 0 0 2px rgb(0 0 0 \/ 15%)\n }\n\n .header.fixed {\n position: fixed;\n top: 0;\n right: 0;\n left: 0;\n z-index: 1050;\n -webkit-box-shadow: 0 0 16px rgb(0 0 0 \/ 32%);\n box-shadow: 0 0 16px rgb(0 0 0 \/ 32%)\n }\n\n .header .nav-logo {\n height: 80px;\n max-height: 80px;\n max-width: 300px\n }\n\n .header .nav-logo img {\n height: 100%\n }\n\n .nav-menu {\n display: none;\n align-items: center;\n list-style: none;\n margin: 0;\n padding: 0\n }\n\n .nav-menu>li>a {\n color: #555556;\n font-size: 16px;\n font-weight: 500;\n display: block;\n padding: 0 15px;\n line-height: 90px;\n text-transform: uppercase;\n -webkit-transition: all .4s ease;\n transition: all .4s ease;\n border-bottom: 2px solid transparent\n }\n\n .nav-menu>li>a.active,\n .nav-menu>li>a:hover {\n color: var(--primary);\n border-color: var(--primary)\n }\n\n .nav-menu>li:last-child>a {\n padding-right: 0\n }\n\n .fixed .nav-logo {\n height: 60px\n }\n\n .fixed .nav-menu>li>a {\n line-height: 60px\n }\n\n .footer {\n background-color: #ededed\n }\n\n .footer-bottom {\n border-top: 1px solid rgba(0, 0, 0, .05);\n padding: 30px 0\n }\n\n .footer-bottom p {\n color: #343434;\n margin: 0;\n font-size: 16px\n }\n\n .footer-bottom p a {\n color: var(--primary)\n }\n\n .cd-top {\n display: inline-block;\n height: 40px;\n z-index: 9;\n width: 40px;\n position: fixed;\n bottom: 60px;\n right: 30px;\n color: #fff;\n border-radius: 50%;\n font-size: 26px;\n text-align: center;\n background: #000;\n line-height: 34px;\n border: 2px solid #000;\n box-shadow: 0 0 10px rgb(0 0 0 \/ 5%);\n overflow: hidden;\n white-space: nowrap;\n visibility: hidden;\n opacity: 0;\n -webkit-transition: opacity .3s 0s, visibility 0s .3s;\n -moz-transition: opacity .3s 0s, visibility 0s .3s;\n transition: opacity .3s 0s, visibility 0s .3s;\n -webkit-transition: all .4s ease-in-out;\n -moz-transition: all .4s ease-in-out;\n -o-transition: all .4s ease-in-out;\n -ms-transition: all .4s ease-in-out;\n transition: all .4s ease-in-out\n }\n\n .cd-top .icon {\n width: 36px;\n height: 36px\n }\n\n .cd-top.cd-is-visible {\n visibility: visible;\n opacity: 1\n }\n\n .cd-top.cd-fade-out {\n opacity: .5\n }\n\n .cd-top:hover {\n background-color: #000;\n opacity: 1;\n color: #fff\n }\n\n [dir=rtl] .nav-menu>li:last-child>a {\n padding-left: 0\n }\n\n @media (min-width:576px) {\n .container {\n max-width: 540px\n }\n }\n\n @media (min-width:768px) {\n .container {\n max-width: 720px\n }\n\n .nav-menu {\n display: flex\n }\n }\n\n @media (min-width:992px) {\n .container {\n max-width: 960px\n }\n }\n\n @media (min-width:1200px) {\n .container {\n max-width: 1140px\n }\n }\n <\/style>\n<script type=\"application\/ld+json\">\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"Organization\",\n \"url\": \"https:\/\/www.covna-china.com\/dlp\/gate-valve.html\",\n \"logo\": \"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/505305f3-ddd0-45d3-9969-d4e2367e5eb9.png?t=1666644798&x-oss-process=imageh_80\/format,webp\"\n }\n <\/script><script type=\"application\/ld+json\">\n {\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"BreadcrumbList\",\n \"itemListElement\": [{\n \"@type\": \"ListItem\",\n \"position\": 1,\n \"name\": \"Home\",\n \"item\": \"https:\/\/www.covna-china.com\"\n }, {\n \"@type\": \"ListItem\",\n \"position\": 2,\n \"name\": \"What is a gate valve\",\n \"item\": \"https:\/\/www.covna-china.com\/dlp\/gate-valve.html\"\n }]\n }\n <\/script><script async src=\"https:\/\/www.googletagmanager.com\/gtag\/js?id=UA-211553992-9\"><\/script><script>\n function gtag() {\n dataLayer.push(arguments)\n }\n window.dataLayer = window.dataLayer || [], gtag(\"js\", new Date), gtag(\"config\", \"UA-211553992-9\"), gtag(\"config\", \"AW-343726230\")\n <\/script>\n<\/head>\n<body>\n <div digood-page-content>\n <header class=\"header\" id=\"header\"><meta http-equiv="Content-Type" content="text/html;charset=UTF-8" ><meta http-equiv=\"Content-Type\" content=\"text\/html;charset=UTF-8\">\n<div class=\"container\">\n <div class=\"navbar\">\n <div class=\"nav-logo\"> <a href=\"\/\" title=\"\u0628\u0627\u0632\u06af\u0634\u062a \u0628\u0647 \u062e\u0627\u0646\u0647\" target=\"_blank\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/505305f3-ddd0-45d3-9969-d4e2367e5eb9.png?t=1666644798&x-oss-process=imageh_80\/format,webp\" width=\"200\" height=\"80\" alt=\"COVNA\" class=\"img-height\"><\/a> <\/div>\n <ul class=\"nav-menu\" id=\"nav-menu\">\n<li class=\"menu-item\"><a class=\"menu-item-link\" href=\"\/\">\u062e\u0627\u0646\u0647<\/a><\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fa.covna-china.com\/page\/about-us.html\">\u0645\u0648\u0631\u062f<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fa.covna-china.com\/products\/all.html\">\u0645\u062d\u0635\u0648\u0644\u0627\u062a<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fa.covna-china.com\/articles\/all.html\">\u0645\u0642\u0627\u0644\u0627\u062a<\/a> <\/li>\n <li class=\"menu-item\">\n<a class=\"menu-item-link\" href=\"https:\/\/fa.covna-china.com\/page\/contact-us.html\">\u062a\u0645\u0627\u0633<\/a> <\/li>\n <\/ul>\n<\/div>\n <\/div>\n <\/header><section id=\"section-home\" class=\"_section-banner_1k55i_518\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172 _col-lg-5_1k55i_174\">\n <div class=\"text-center\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/97eef4a6-fd54-4aae-96a5-51a985b3bce3.png?t=1666644798&x-oss-process=image\/resize,w_500,h_500\/format,webp\" width=\"450\" height=\"500\" alt=\"\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0627\u0633\u062a\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172 _col-lg-7_1k55i_175\">\n <div class=\"_banner-content_1k55i_529\">\n <div class=\"_section-header_1k55i_494\">\n <h1 class=\"_section-title_1k55i_498\">\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0627\u0633\u062a<\/h1>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0633\u062a\u0646 \u0642\u0637\u0639\u0627\u062a \u0627\u0633\u062a. \u062c\u0647\u062a \u062d\u0631\u06a9\u062a \u062f\u0631\u0648\u0627\u0632\u0647 \u0639\u0645\u0648\u062f \u0628\u0631 \u062c\u0647\u062a \u0633\u06cc\u0627\u0644 \u0627\u0633\u062a. \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u062a\u0646\u0647\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u0628\u0627\u0632 \u0648 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u0628\u0633\u062a\u0647 \u0634\u0648\u062f\u060c \u0648 \u0646\u0645\u06cc \u062a\u0648\u0627\u0646\u062f \u062a\u0646\u0638\u06cc\u0645 \u0648 \u06cc\u0627 throttled. \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u062a\u0648\u0633\u0637 \u062a\u0645\u0627\u0633 \u0628\u06cc\u0646 \u0635\u0646\u062f\u0644\u06cc \u062f\u0631\u06cc\u0686\u0647 \u0648 \u0635\u0641\u062d\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0645\u0647\u0631 \u0648 \u0645\u0648\u0645 \u0645\u06cc \u0634\u0648\u062f \u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u0645\u0639\u0645\u0648\u0644\u0627\u064b \u0628\u0627 \u0645\u0648\u0627\u062f \u0641\u0644\u0632\u06cc \u0628\u0631\u0627\u06cc \u0627\u0641\u0632\u0627\u06cc\u0634 \u0645\u0642\u0627\u0648\u0645\u062a \u0633\u0627\u06cc\u0634 \u0642\u0627\u0644\u0628 \u0631\u06cc\u0632\u06cc \u0645\u06cc \u0634\u0648\u062f. \u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647 \u0633\u0641\u062a \u0648 \u06cc\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u0627\u0633\u062a\u06cc\u06a9 \u0627\u0633\u062a. \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0627\u062e\u062a\u0644\u0627\u0641 \u062f\u0631\u0648\u0627\u0632\u0647\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0628\u0647 \u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0633\u0641\u062a \u0648 \u06cc\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062a\u0642\u0633\u06cc\u0645 \u0645\u06cc \u0634\u0648\u062f.<\/p>\n <\/div> <a href=\"#section-contact\" class=\"_btn-action_1k55i_545 _btn-scroll_1k55i_778\" name=\"btn-section-home\">\u062f\u0631\u06cc\u0627\u0641\u062a \u0646\u0642\u0644 \u0642\u0648\u0644<\/a>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-features\" class=\"_section-padding_1k55i_514 _section-features_1k55i_648\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">\u0648\u06cc\u0698\u06af\u06cc<\/h5>\n <h2 class=\"_section-title_1k55i_498\">\u0686\u0631\u0627 COVNA \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u062f\u061f<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/3d822ab9-e000-4f57-967a-3b6250509c96.png?t=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"\u0635\u0646\u0639\u062a\u06af\u0631\u06cc \u0646\u0641\u06cc\u0633\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">\u0635\u0646\u0639\u062a\u06af\u0631\u06cc \u0646\u0641\u06cc\u0633<\/h3>\n <p class=\"feature-text\">\u0686\u0648\u0628 \u0628\u0647 \u0631\u0648\u062d \u0646\u0628\u0648\u063a CNC \u062f\u0642\u06cc\u0642 \u0645\u0627\u0634\u06cc\u0646\u06a9\u0627\u0631\u06cc 20 \u0633\u0627\u0644 \u0647\u062f\u0627\u06cc\u062a \u0645\u0647\u0646\u062f\u0633 \u0641\u0646\u06cc<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/9034508c-1340-44a6-9dfa-9ffe4770ea61.png?t=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"\u0646\u0648\u0622\u0648\u0631\u06cc \u062a\u06a9\u0646\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">\u0646\u0648\u0622\u0648\u0631\u06cc \u062a\u06a9\u0646\u0648\u0644\u0648\u0698\u06cc\u06a9\u06cc<\/h3>\n <p class=\"feature-text\">\u0628\u0646\u06cc\u0627\u062f \u0628\u0627 \u062a\u06a9\u0646\u0648\u0644\u0648\u0698\u06cc \u0628\u0627\u0644\u0627 \u0627\u0635\u0631\u0627\u0631 \u0628\u0631 \u0646\u0648\u0622\u0648\u0631\u06cc \u0648 \u062a\u0648\u0633\u0639\u0647 \u062a\u06cc\u0645 \u0627\u0633\u062a\u0639\u062f\u0627\u062f\u0647\u0627\u06cc \u0641\u0646\u06cc \u0627\u0631\u0634\u062f<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/081974ab-1a15-400b-8134-5c2cf3ece550.png?t=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"\u0633\u0641\u0627\u0631\u0634\u06cc \u062e\u0627\u0635\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">\u0633\u0641\u0627\u0631\u0634\u06cc \u062e\u0627\u0635<\/h3>\n <p class=\"feature-text\">\u062a\u0627 4678nm \u0627\u0631\u0634\u062f \u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u0641\u0646\u06cc \u0627\u0646\u062a\u062e\u0627\u0628 \u0633\u0641\u0627\u0631\u0634\u06cc \u0633\u0627\u0632\u06cc \u0648\u06cc\u0698\u0647 \u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u0646\u06cc\u0627\u0632\u0647\u0627\u06cc \u0645\u0634\u062a\u0631\u06cc<\/p>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"feature-item\">\n <div class=\"icon-box\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/b6edcc07-4ced-4b4f-abad-ef78d2138d9f.png?t=1666644798&x-oss-process=image\/resize,w_60,h_60\/format,webp\" width=\"60\" height=\"60\" alt=\"\u06a9\u06cc\u0641\u06cc\u062a \u0633\u0627\u0632\u06af\u0627\u0631\" class=\"_img-fluid_1k55i_123\">\n<\/div>\n <h3 class=\"feature-title\">\u06a9\u06cc\u0641\u06cc\u062a \u0633\u0627\u0632\u06af\u0627\u0631<\/h3>\n <p class=\"feature-text\">ISO9001 \u0635\u062f\u0648\u0631 \u06af\u0648\u0627\u0647\u06cc\u0646\u0627\u0645\u0647 \u0628\u06cc\u0646 \u0627\u0644\u0645\u0644\u0644\u06cc \u067e\u0627\u06cc\u0628\u0646\u062f \u0628\u0647 \u0641\u0631\u0627\u06cc\u0646\u062f\u0647\u0627\u06cc \u062a\u0648\u0644\u06cc\u062f \u0627\u0633\u062a\u0627\u0646\u062f\u0627\u0631\u062f 1 \u0645\u06cc\u0644\u06cc\u0648\u0646 \u0686\u0631\u062e\u0647 \u0622\u0632\u0645\u0648\u0646 \u062f\u0648\u0627\u0645<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-about\" class=\"_section-about_1k55i_568 _section-padding_1k55i_514\"><div class=\"_container_1k55i_128\">\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-6_1k55i_172\">\n <div class>\n <div class=\"_embed-responsive_1k55i_251 _embed-responsive-16by9_1k55i_274\"> <iframe width=\"560\" height=\"315\" loading=\"lazy\" data-src=\"https:\/\/youtu.be\/C5ZMLWujKGs\" frameborder=\"0\" allowfullscreen><\/iframe> <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-6_1k55i_172\">\n <div class>\n <div class=\"_section-header_1k55i_494\">\n <h2 class=\"_section-title_1k55i_498\">\u062f\u0631\u06cc\u0686\u0647 \u0647\u0627\u06cc \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u0646\u062f<\/h2>\n <\/div>\n <div class=\"_text_1k55i_498\">\n <p>COVNA \u0635\u0646\u0639\u062a\u06cc \u0627\u062a\u0648\u0645\u0627\u0633\u06cc\u0648\u0646 \u0634\u0631\u06a9\u062a \u060c \u0628\u0627 \u0645\u0633\u0626\u0648\u0644\u06cc\u062a \u0645\u062d\u062f\u0648\u062f \u062f\u0631 \u0633\u0627\u0644 2000 \u060c \u0645\u062a\u062e\u0635\u0635 \u062f\u0631\u06cc\u0686\u0647 \u062e\u0648\u062f\u06a9\u0627\u0631 \u062a\u0627\u0633\u06cc\u0633 \u0634\u062f. \u062f\u0641\u062a\u0631 \u0645\u0631\u06a9\u0632\u06cc \u0622\u0646 \u062f\u0631 \u062f\u0648\u0646\u06af\u06af\u0648\u0627\u0646 \u0686\u06cc\u0646 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f \u0648 \u06f3 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062a\u0648\u0644\u06cc\u062f\u06cc \u062f\u0631 \u0646\u06cc\u0646\u06af\u0628\u0648\u060c \u0648\u0646\u0698\u0648 \u0648 \u062f\u0648\u0646\u06af\u06af\u0648\u0627\u0646 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u062f.<\/p>\n <p>\u0645\u0627 \u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\u060c \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f\u060c \u0634\u06cc\u0631 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\u060c \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\u060c \u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\u060c \u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc\u060c \u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0627\u0642\u0648\u060c \u0634\u06cc\u0631 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9\u060c \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0634\u06cc\u0631 \u06a9\u0646\u062a\u0631\u0644\u060c \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9 \u0634\u06cc\u0631 \u0641\u0639\u0627\u0644\u060c \u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0639\u0645\u0644\u060c \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\u060c \u0634\u06cc\u0631 \u062a\u0648\u067e \u0641\u0639\u0627\u0644 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\u060c \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647\u060c \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647\u060c \u062f\u0631\u06cc\u0686\u0647 \u06af\u0644\u0648\u0628\u060c \u0648 \u063a\u06cc\u0631\u0647\u060c \u0634\u0645\u0627 \u0645\u06cc 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class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">\u0645\u062d\u0635\u0648\u0644\u0627\u062a \u0628\u0631\u062c\u0633\u062a\u0647<\/h5>\n <h2 class=\"_section-title_1k55i_498\">\u0645\u062c\u0645\u0648\u0639\u0647 \u0627\u06cc \u062f\u0631\u0628\u0627\u0631\u0647 COVNA<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\" title=\"\u0627\u0646\u0641\u062c\u0627\u0631 \u0636\u062f \u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638524478_Explosion-proof-Multi-Turn-Electric-Actuator-Gate-V.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"\u0627\u0646\u0641\u062c\u0627\u0631 \u0636\u062f \u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc\" class=\"_img-fluid_1k55i_123\"><h4>\u0645\u0634\u0627\u0647\u062f\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/explosion-proof-multi-turn-electric-gate-valve.html\">\u0627\u0646\u0641\u062c\u0627\u0631 \u0636\u062f \u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <\/h4>\n <p style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-3_1k55i_169\">\n <div class=\"_product-item_1k55i_572 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/product\/multi-turn-motorized-slide-electric-gate-valve.html\" title=\"\u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0628\u0631\u0642\u06cc \u0627\u0633\u0644\u0627\u06cc\u062f \u0645\u0648\u062a\u0648\u0631\u06cc\"> <img src=\"\/\/upload.digoodcms.com\/728\/image_1638520320_HK60-Z-Z-Multi-turn-Motorized-Slide-Electric-Actuated-Gate.jpg?imageView2\/1\/w\/450\/h\/450\/format\/webp\" width=\"450\" height=\"450\" alt=\"\u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0628\u0631\u0642\u06cc \u0627\u0633\u0644\u0627\u06cc\u062f \u0645\u0648\u062a\u0648\u0631\u06cc\" class=\"_img-fluid_1k55i_123\"><h4>\u0645\u0634\u0627\u0647\u062f\u0647 \u062c\u0632\u0626\u06cc\u0627\u062a<\/h4>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/product\/multi-turn-motorized-slide-electric-gate-valve.html\">\u0686\u0646\u062f \u0646\u0648\u0628\u062a \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0628\u0631\u0642\u06cc 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style=\"text-align:left\"><\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/fa.covna-china.com\/products\/all.html\" class=\"btn _btn-more_1k55i_706\" name=\"btn-section-products\">\u0628\u06cc\u0634\u062a\u0631 \u0628\u0628\u06cc\u0646\u06cc\u062f<\/a> <\/div>\n <\/div>\n <\/section><section id=\"section-reviews\" class=\"_section-padding_1k55i_514 _section-reviews_1k55i_648 scrollspy\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">\u0628\u0631\u0631\u0633\u06cc \u06a9\u0627\u0631\u0628\u0631<\/h5>\n <h2 class=\"_section-title_1k55i_498\">\u0622\u0646\u0686\u0647 \u06a9\u0627\u0631\u0628\u0631\u0627\u0646 \u062f\u0631 \u0645\u0648\u0631\u062f COVNA \u0645\u06cc \u06af\u0648\u06cc\u0646\u062f<\/h2>\n <\/div>\n <div class=\"_slider-wrap_1k55i_471\">\n <div class=\"slider-reviews\">\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>\u06a9\u0627\u0631 \u062f\u0631 \u062c\u0627\u06cc \u062e\u0648\u062f \u0627\u0633\u062a\u060c \u0648 \u06a9\u06cc\u0641\u06cc\u062a \u062f\u0631 \u06cc\u06a9 \u0646\u06af\u0627\u0647 \u0628\u0633\u06cc\u0627\u0631 \u062e\u0648\u0628 \u0627\u0633\u062a!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">\u0644\u0626\u0648<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>\u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u0639\u0627\u062f\u06cc\u060c \u0647\u0645\u06a9\u0627\u0631\u06cc \u0628\u0633\u06cc\u0627\u0631 \u062e\u0648\u0634\u062d\u0627\u0644 \u0634\u062f\u0647 \u0627\u0633\u062a!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">\u062c\u0647\u0627\u0646<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"slider-item\">\n <div class=\"review-item\"> <svg class=\"icon\" width=\"24\" height=\"24\" viewbox=\"0 0 24 24\"><path fill=\"currentColor\" d=\"M10,7L8,11H11V17H5V11L7,7H10M18,7L16,11H19V17H13V11L15,7H18Z\"><\/path><\/svg><p>\u06a9\u0627\u0631 \u062e\u0648\u0628 \u0627\u0633\u062a\u060c \u0627\u0646\u062f\u0627\u0632\u0647 \u062f\u0631\u0633\u062a \u0627\u0633\u062a\u060c \u0637\u0631\u0627\u062d\u06cc \u062f\u0631 \u0645\u062d\u0644 \u0627\u0633\u062a\u060c \u0648 \u062e\u062f\u0645\u0627\u062a \u062a\u0648\u062c\u0647 \u0648 \u062a\u0648\u062c\u0647!<\/p>\n <div class=\"name-box\">\n <div class=\"name-text\">\n <h5 class=\"name-title\">\u06a9\u067e\u0644\u0631<\/h5>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-faq\" class=\"_section-padding_1k55i_514 _section-faq_1k55i_648\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h5 class=\"_section-subtitle_1k55i_498\">\u0633\u0648\u0627\u0644 \u0627\u063a\u0644\u0628 \u067e\u0631\u0633\u06cc\u062f\u0647 \u0645\u06cc \u0634\u0648\u062f<\/h5>\n <h2 class=\"_section-title_1k55i_498\">\u0633\u0648\u0627\u0644\u064a \u062f\u0627\u0631\u064a\u061f<\/h2>\n <\/div>\n <div class=\"_faq-list_18vzw_465\" itemscope itemtype=\"https:\/\/schema.org\/FAQPage\">\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq0\"> <span itemprop=\"name\">\u0634\u06cc\u0631\u0647\u0627\u06cc \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0647 \u0645\u0632\u0627\u06cc\u0627\u06cc\u06cc \u062f\u0627\u0631\u0646\u062f\u061f<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq0\" class=\"_collapse_18vzw_331 _open_18vzw_495\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">\u0645\u0642\u0627\u0648\u0645\u062a \u0633\u06cc\u0627\u0644 \u06a9\u0648\u0686\u06a9 \u0627\u0633\u062a\u060c \u0648 \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc \u06a9\u0645\u062a\u0631 \u0628\u0631\u0633 \u0632\u062f\u0647 \u0648 \u062a\u0648\u0633\u0637 \u0645\u062d\u06cc\u0637 \u062e\u0648\u0631\u062f\u06af\u06cc \u0645\u06cc \u0634\u0648\u062f. \u062a\u0644\u0627\u0634 \u0628\u0631\u0627\u06cc \u0628\u0627\u0632 \u06a9\u0631\u062f\u0646 \u0648 \u0628\u0633\u062a\u0646 \u0631\u0627 \u0646\u062c\u0627\u062a \u0645\u06cc \u062f\u0647\u062f. \u062c\u0647\u062a \u062c\u0631\u06cc\u0627\u0646 \u0645\u062d\u06cc\u0637 \u0645\u062d\u062f\u0648\u062f \u0646\u0645\u06cc \u0634\u0648\u062f\u060c \u062c\u0631\u06cc\u0627\u0646 \u0631\u0627 \u0628\u0631\u0647\u0645 \u0646\u0645\u06cc \u062f\u0647\u062f\u060c \u0648 \u0641\u0634\u0627\u0631 \u0631\u0627 \u06a9\u0627\u0647\u0634 \u0646\u0645\u06cc \u062f\u0647\u062f. \u0634\u06a9\u0644 \u0633\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u0637\u0648\u0644 \u0633\u0627\u062e\u062a\u0627\u0631 \u06a9\u0648\u062a\u0627\u0647 \u0627\u0633\u062a\u060c \u0641\u0631\u0627\u06cc\u0646\u062f \u0633\u0627\u062e\u062a \u062e\u0648\u0628 \u0627\u0633\u062a\u060c \u0648 \u062f\u0627\u0645\u0646\u0647 \u06a9\u0627\u0631\u0628\u0631\u062f \u06af\u0633\u062a\u0631\u062f\u0647 \u0627\u0633\u062a.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq1\"> <span itemprop=\"name\">\u0686\u0647 \u0646\u0648\u0639 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u06cc<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq1\" class=\"_collapse_18vzw_331\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">\u0628\u0627 \u062a\u0648\u062c\u0647 \u0628\u0647 \u067e\u06cc\u06a9\u0631\u0628\u0646\u062f\u06cc \u0633\u0637\u062d \u0622\u0628 \u0628\u0646\u062f\u06cc\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0645\u0648\u0627\u0632\u06cc \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f. \u062f\u0631\u06cc\u0686\u0647 \u06af\u06cc\u062a \u0648\u062c \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647: \u062a\u06a9 \u062f\u0631\u0648\u0627\u0632\u0647\u060c \u062f\u0648 \u062f\u0631\u0648\u0627\u0632\u0647 \u0648 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0644\u0627\u0633\u062a\u06cc\u06a9 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f\u061b \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0645\u0648\u0627\u0632\u06cc \u0631\u0627 \u0645\u06cc \u062a\u0648\u0627\u0646 \u0628\u0647 \u0646\u0648\u0639 \u062a\u06a9 \u06af\u06cc\u062a \u067e\u0644\u06cc\u062a \u0648 \u0646\u0648\u0639 \u062f\u0648 \u06af\u06cc\u062a \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f. \u062a\u0642\u0633\u06cc\u0645 \u0628\u0631 \u0627\u0633\u0627\u0633 \u0645\u0648\u0642\u0639\u06cc\u062a \u0646\u062e \u0633\u0627\u0642\u0647 \u0634\u06cc\u0631\u060c \u0645\u06cc \u062a\u0648\u0627\u0646 \u0622\u0646 \u0631\u0627 \u0628\u0647 \u062f\u0648 \u0646\u0648\u0639 \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0633\u0627\u0642\u0647 \u0628\u0627\u0632 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0633\u0627\u0642\u0647 \u062a\u06cc\u0631\u0647 \u062a\u0642\u0633\u06cc\u0645 \u06a9\u0631\u062f<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_card_1k55i_233 _faq-item_1k55i_652\" itemscope itemprop=\"mainEntity\" itemtype=\"https:\/\/schema.org\/Question\">\n <div class=\"_card-header_18vzw_353\">\n <h4> <a data-toggle=\"faq_collapse\" href=\"#faq2\"> <span itemprop=\"name\">\u0686\u0647 \u062a\u0641\u0627\u0648\u062a\u06cc \u0628\u06cc\u0646 \u062f\u0631\u06cc\u0686\u0647 \u06af\u0644\u0648\u0628 \u0648 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0648\u062c\u0648\u062f \u062f\u0627\u0631\u062f\u061f<\/span> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M7.41,8.58L12,13.17L16.59,8.58L18,10L12,16L6,10L7.41,8.58Z\"><\/path><\/svg><\/a> <\/h4>\n <\/div>\n <div itemscope itemprop=\"acceptedAnswer\" itemtype=\"https:\/\/schema.org\/Answer\" id=\"faq2\" class=\"_collapse_18vzw_331\">\n <div class=\"_card-body_1k55i_245\">\n <p itemprop=\"text\">\u0627\u0635\u0644 \u06a9\u0627\u0631 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a. \u0634\u06cc\u0631 \u062e\u0627\u0645\u0648\u0634 \u062f\u0627\u0631\u0627\u06cc \u0646\u0648\u0639 \u0633\u0627\u0642\u0647 \u0631\u0648 \u0628\u0647 \u0627\u0641\u0632\u0627\u06cc\u0634 \u0627\u0633\u062a\u060c \u0648 \u0686\u0631\u062e \u062f\u0633\u062a \u0628\u0647 \u0647\u0645\u0631\u0627\u0647 \u0633\u0627\u0642\u0647 \u0645\u06cc \u0686\u0631\u062e\u062f \u0648 \u0628\u0627\u0644\u0627 \u0645\u06cc \u0631\u0648\u062f. \u0628\u0631\u0627\u06cc \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u0631\u062e \u062f\u0633\u062a\u06cc \u0645\u06cc \u0686\u0631\u062e\u062f \u0648 \u0633\u0627\u0642\u0647 \u0634\u06cc\u0631 \u0628\u0647 \u0633\u0645\u062a \u0628\u0627\u0644\u0627 \u062d\u0631\u06a9\u062a \u0645\u06cc \u06a9\u0646\u062f. \u0646\u0631\u062e \u062c\u0631\u06cc\u0627\u0646 \u0645\u062a\u0641\u0627\u0648\u062a \u0627\u0633\u062a\u060c \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0645\u0648\u0631\u062f \u0646\u06cc\u0627\u0632 \u0627\u0633\u062a \u062a\u0627 \u0628\u0647 \u0637\u0648\u0631 \u06a9\u0627\u0645\u0644 \u0628\u0627\u0632 \u0634\u0648\u062f\u060c \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u0642\u0641 \u0646\u06cc\u0633\u062a. \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0647\u06cc\u0686 \u0646\u06cc\u0627\u0632 \u0628\u0631\u0627\u06cc \u062c\u0647\u062a \u0648\u0627\u0631\u062f\u0627\u062a \u0648 \u0635\u0627\u062f\u0631\u0627\u062a\u060c \u0648 \u062f\u0631\u06cc\u0686\u0647 \u062c\u0647\u0627\u0646 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0648\u0631\u0648\u062f \u0645\u0634\u062e\u0635 \u0648 \u062e\u0631\u0648\u062c\u06cc!<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <\/section><section id=\"section-news\" class=\"_section-padding_1k55i_514 _section-blog_1k55i_706\"><div class=\"_container_1k55i_128\">\n <div class=\"_section-header_1k55i_494 _center_1k55i_505\">\n <h2 class=\"_section-title_1k55i_498\">\u0628\u0647 \u0631\u0648\u0632 \u0631\u0633\u0627\u0646\u06cc \u0647\u0627 \u0648 \u0647\u0627\u06cc \u0648\u0628\u0644\u0627\u06af \u0645\u0627<\/h2>\n <\/div>\n <div class=\"_row_1k55i_160\">\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\" title=\"\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0642\u0627\u0628\u0644 \u0627\u062c\u0631\u0627 \u0627\u0633\u062a\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/6148e12e-dcc5-419e-99f8-6df68fa341e8.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0642\u0627\u0628\u0644 \u0627\u062c\u0631\u0627 \u0627\u0633\u062a\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 \u062f\u0633\u0627\u0645\u0628\u0631<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/where-the-butterfly-valve-is-applicable.html\">\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u062c\u0627\u06cc\u06cc \u06a9\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0642\u0627\u0628\u0644 \u0627\u062c\u0631\u0627 \u0627\u0633\u062a<\/a> <\/h4>\n <p>{keyword},\u0634\u06cc\u0631\u0647\u0627\u06cc \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u06cc \u0628\u0631\u0627\u06cc \u062a\u0646\u0638\u06cc\u0645 \u062c\u0631\u06cc\u0627\u0646 \u0645\u0646\u0627\u0633\u0628 \u0647\u0633\u062a\u0646\u062f. \u0627\u0632 \u0622\u0646\u062c\u0627 \u06a9\u0647 \u0627\u0632 \u062f\u0633\u062a \u062f\u0627\u062f\u0646 \u0641\u0634\u0627\u0631 \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u062f\u0631 \u062e\u0637 \u0644\u0648\u0644\u0647 \u0646\u0633\u0628\u062a\u0627\u064b \u0628\u0632\u0631\u06af \u0627\u0633\u062a\u060c \u062d\u062f\u0648\u062f \u0633\u0647 \u0628\u0631\u0627\u0628\u0631 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0627\u0633\u062a.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\" title=\"\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u0686\u06af\u0648\u0646\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/2a542176-508c-49dd-a5f7-f6a7bcb17035.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u0686\u06af\u0648\u0646\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">23 \u062f\u0633\u0627\u0645\u0628\u0631<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-to-choose-electric-butterfly-valve.html\">\u062f\u0631\u0648\u0627\u0632\u0647 \u062f\u0631\u06cc\u0686\u0647 | \u0686\u06af\u0648\u0646\u0647 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0631\u0627 \u0627\u0646\u062a\u062e\u0627\u0628 \u06a9\u0646\u06cc\u0645<\/a> <\/h4>\n <p>{keyword}. \u062f\u06cc\u0633\u06a9 \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u06cc\u0646 \u0627\u0633\u062a \u06a9\u0647 \u062f\u06cc\u0633\u06a9 \u062f\u0627\u0631\u0627\u06cc \u06cc\u06a9 \u0634\u0641\u062a \u062f\u0631 \u062d\u0627\u0644 \u0686\u0631\u062e\u0634 \u0628\u0631 \u0631\u0648\u06cc \u0645\u0648\u0642\u0639\u06cc\u062a \u0635\u0646\u062f\u0644\u06cc \u062f\u0631\u06cc\u0686\u0647 \u0627\u0633\u062a. \u0632\u0627\u0648\u06cc\u0647 \u0686\u0631\u062e\u0634 \u062f\u0631\u062c\u0647 \u0628\u0627\u0632 \u0648 \u0628\u0633\u062a\u0647 \u0634\u062f\u0646 \u062f\u0631\u06cc\u0686\u0647 \u0631\u0627 \u062a\u0639\u06cc\u06cc\u0646 \u0645\u06cc \u06a9\u0646\u062f.<\/p>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"_col-md-4_1k55i_170\">\n <div class=\"_blog-item_1k55i_710 _card_1k55i_233\">\n <div class=\"_card-image_1k55i_577\"> <a href=\"\/article\/how-gate-valve-works.html\" title=\"\u062f\u0631\u0648\u0627\u0632\u0647 | \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\"> <img src=\"https:\/\/seo-console-assets.goalsites.com\/uploads\/covna-china_com\/bbc506ec-9198-4e2b-98ef-1df4af064289.png?t=1666644798&x-oss-process=image\/resize,w_600,h_400\/format,webp\" width=\"600\" height=\"400\" alt=\"\u062f\u0631\u0648\u0627\u0632\u0647 | \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\" class=\"_img-fluid_1k55i_123\"><div class=\"_date-time_1k55i_714\">08 \u0698\u0627\u0646\u0648\u06cc\u0647<\/div>\n <\/a> <\/div>\n <div class=\"_card-body_1k55i_245\">\n <h4> <a href=\"\/article\/how-gate-valve-works.html\">\u062f\u0631\u0648\u0627\u0632\u0647 | \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f<\/a> <\/h4>\n <p>{keyword},\u0647\u0645\u0647 \u0645\u0627 \u0645\u06cc \u062f\u0627\u0646\u06cc\u0645 \u06a9\u0647 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u06cc\u06a9 \u0634\u06cc\u0631 \u0628\u0633\u06cc\u0627\u0631 \u067e\u0631 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0633\u062a\u060c \u067e\u0633 \u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 \u0686\u06af\u0648\u0646\u0647 \u06a9\u0627\u0631 \u0645\u06cc \u06a9\u0646\u062f\u061f<\/p>\n <\/div>\n <\/div>\n <\/div>\n <\/div>\n <div class=\"text-center\"> <a href=\"https:\/\/fa.covna-china.com\/articles\/all.html\" class=\"btn 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21.54,14.63L19.43,12.97Z\"><\/path><\/svg>\u0627\u0631\u0633\u0627\u0644 \u067e\u06cc\u0627\u0645 \u0634\u0645\u0627. \u0644\u0637\u0641\u0627\u064b \u0645\u0646\u062a\u0638\u0631 \u0628\u0645\u0627\u0646\u06cc\u062f...<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-success_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-success_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M9,20.42L2.79,14.21L5.62,11.38L9,14.77L18.88,4.88L21.71,7.71L9,20.42Z\"><\/path><\/svg>\u0645\u0648\u0641\u0642\u06cc\u062a! \u0628\u0627 \u062a\u0634\u06a9\u0631 \u0628\u0631\u0627\u06cc \u0627\u0631\u0633\u0627\u0644 \u067e\u06cc\u0627\u0645 \u0634\u0645\u0627! \u0644\u0637\u0641\u0627 \u0645\u0637\u0645\u0626\u0646 \u0634\u0648\u06cc\u062f \u06a9\u0647 \u0628\u0631\u0627\u06cc \u0628\u0631\u0631\u0633\u06cc \u0627\u06cc\u0645\u06cc\u0644 \u062e\u0648\u062f \u0631\u0627 \u0628\u0647 \u062a\u0627\u06cc\u06cc\u062f! \u0628\u0647 \u0645\u062f\u062a \u06a9\u0648\u062a\u0627\u0647\u064a \u0628\u0631\u0645\u064a\u06af\u0631\u062f\u064a\u0645 \u0628\u0647\u062a<\/div>\n <\/div>\n <div class=\"_msg_1k55i_777 _msg-error_1k55i_777\">\n <div class=\"_alert_1k55i_251 _alert-danger_1k55i_251\" role=\"alert\"> <svg class=\"_icon_1k55i_658\" viewbox=\"0 0 24 24\"><path d=\"M12,2C17.53,2 22,6.47 22,12C22,17.53 17.53,22 12,22C6.47,22 2,17.53 2,12C2,6.47 6.47,2 12,2M15.59,7L12,10.59L8.41,7L7,8.41L10.59,12L7,15.59L8.41,17L12,13.41L15.59,17L17,15.59L13.41,12L17,8.41L15.59,7Z\"><\/path><\/svg>\u0627\u0648\u0647! \u0645\u0634\u06a9\u0644\u064a \u0628\u0631\u0627\u064a \u0641\u0631\u0633\u062a\u0627\u062f\u0646 \u067e\u064a\u063a\u0627\u0645 \u062a\u0648 \u0648\u062c\u0648\u062f \u062f\u0627\u0634\u062a \u0644\u0637\u0641\u0627 \u062f\u0648\u0628\u0627\u0631\u0647 \u0627\u0645\u062a\u062d\u0627\u0646 \u06a9\u0646\u06cc\u062f.<\/div>\n <\/div>\n <\/div> <button type=\"submit\" class=\"_btn-action_1k55i_545\">\u0627\u0631\u0633\u0627\u0644 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max-width: 1140px\n }\n }\n\n #_section-links_1k55i_757._section-padding_1k55i_514 {\n padding: 60px 0\n }\n\n #_section-links_1k55i_757 ._section-header_1k55i_505 {\n margin-bottom: 30px\n }\n\n #_section-links_1k55i_757 ._tags-box_13kno_350 span {\n color: #343434;\n font-weight: 600\n }\n\n #_section-links_1k55i_757 ._tags-box_13kno_350 a {\n font-size: 12px;\n padding: 5px 10px;\n border: 1px dashed transparent;\n display: inline-block;\n color: #666;\n text-transform: capitalize\n }\n\n #_section-links_1k55i_757 ._icon_13kno_264 {\n color: inherit;\n fill: currentColor;\n height: 1em;\n width: 1em;\n vertical-align: middle\n }\n\n #_section-links_1k55i_757 ._tags-box_13kno_350 a:hover {\n border-color: #666\n }\n\n #_section-links_1k55i_757._dark_13kno_387 {\n background: #1c2135\n }\n\n #_section-links_1k55i_757._dark_13kno_387 ._section-header_1k55i_505 ._section-title_1k55i_505 {\n color: #fff\n }\n\n #_section-links_1k55i_757._dark_13kno_387 ._tags-box_13kno_350 span {\n color: #eee\n }\n\n #_section-links_1k55i_757._dark_13kno_387 ._tags-box_13kno_350 a:hover {\n border-color: #eee;\n color: #666\n }\n\n [dir=rtl] #_section-links_1k55i_757 {\n text-align: right\n }\n\n ._tags-tab_13kno_350 {\n display: flex;\n flex-direction: column\n }\n\n ._tags-tab_13kno_350 .tab-nav {\n list-style: none;\n display: flex;\n flex-wrap: wrap;\n padding: 0;\n margin-bottom: 15px\n }\n\n ._tags-tab_13kno_350.vetical {\n flex-direction: row\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav {\n flex-direction: column;\n margin-right: 15px;\n padding-right: 15px;\n border-right: 1px solid #ddd\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n width: 150px;\n padding: 5px 10px;\n margin-right: .5rem;\n border-bottom: 1px solid transparent\n }\n\n @media (min-width:768px) {\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n width: 220px\n }\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-link {\n display: inline-block;\n font-size: 14px;\n font-weight: 500;\n text-transform: capitalize;\n color: #666\n }\n\n ._tags-tab_13kno_350.vetical .tab-nav .tab-item {\n padding: 5px 0;\n margin-bottom: 5px\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-link ._icon_13kno_264 {\n margin-right: .5rem\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item {\n margin-right: 1.5rem;\n margin-bottom: .5rem\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item.active {\n border-color: #666\n }\n\n ._tags-tab_13kno_350 .tab-nav .tab-item.active .tab-link {\n color: #666\n }\n\n ._tags-tab_13kno_350.vetical .tab-content {\n min-height: 200px\n }\n\n ._tags-tab_13kno_350 .tab-content .tab-pane {\n display: none;\n height: 150px\n }\n\n ._tags-tab_13kno_350 .tab-content .tab-pane.show {\n display: block\n }\n\n [dir=rtl] ._tags-tab_13kno_350 .tab-nav .tab-link ._icon_13kno_264 {\n margin-right: 0;\n margin-left: .5rem\n }\n\n [dir=rtl] ._tags-tab_13kno_350 .tab-nav .tab-link {\n margin-right: 0;\n margin-left: .5rem\n }\n <\/style>\n<section id=\"_section-links_1k55i_757\"><div class=\"_container_1k55i_128\">\n <div class=\"_tags-tab_13kno_350\">\n <ul class=\"tab-nav\">\n<li class=\"tab-item active\" data-tab-target=\"#tab-0\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-valve.html\" class=\"tab-link\">\u062f\u0631\u06cc\u0686\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-1\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/solenoid-valve.html\" class=\"tab-link\">\u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-2\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/pneumatic-valve.html\" class=\"tab-link\">\u062f\u0631\u06cc\u0686\u0647 \u067e\u0646\u0648\u0645\u0627\u062a\u06cc\u06a9<\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-3\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-gate-valve.html\" class=\"tab-link\">\u062f\u0631\u06cc\u0686\u0647 \u062f\u0631\u0648\u0627\u0632\u0647 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data-tab-target=\"#tab-14\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-15\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <li class=\"tab-item\" data-tab-target=\"#tab-16\"> <a href class=\"tab-link\"> <\/a> <\/li>\n <\/ul>\n<div class=\"tab-content\">\n <div class=\"tab-pane show\" id=\"tab-0\" role=\"tabpanel\" aria-labelledby=\"tab-0\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/ball-valve-actuators-electric.html\">\u062a\u0648\u067e \u0634\u06cc\u0631 actuators \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/ball-valve-electric.html\">\u062a\u0648\u067e \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/ball-valve-electric-actuator.html\">\u062a\u0648\u067e \u062f\u0631\u06cc\u0686\u0647 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/ball-valve-with-electric-actuator.html\">\u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e \u0628\u0627 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/best-electric-valve.html\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/best-price-electric-valve.html\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0642\u06cc\u0645\u062a \u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/china-electric-valve.html\">\u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0686\u06cc\u0646<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/custom-electric-valve.html\">\u0634\u06cc\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc<\/a> <a 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\u0628\u0627\u0644\u0627<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-1\" role=\"tabpanel\" aria-labelledby=\"tab-1\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/2021-solenoid-valve.html\">\u0634\u06cc\u0631 \u0633\u0627\u0644\u0646\u0648\u0626\u06cc\u062f \u06f2\u06f0\u06f2\u06f1<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/5-2-way-single-solenoid-valve-has.html\">5 2 \u0631\u0627\u0647 \u0634\u06cc\u0631 \u062a\u06a9 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0627\u0633\u062a<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/52-way-single-solenoid-valve-has.html\">5\/2 \u0631\u0627\u0647 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u062a\u06a9<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/air-valve-solenoid.html\">\u0647\u0648\u0627 \u0634\u06cc\u0631 solenoid<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/best-price-solenoid-valve.html\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0642\u06cc\u0645\u062a \u0634\u06cc\u0631 solenoid<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/best-solenoid-valve.html\">\u0628\u0647\u062a\u0631\u06cc\u0646 \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/buy-solenoid-valve.html\">\u062e\u0631\u06cc\u062f \u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/canister-purge-valve-solenoid.html\">\u0642\u0648\u0637\u06cc \u067e\u0627\u06a9\u0633\u0627\u0632\u06cc \u0634\u06cc\u0631 solenoid<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/canister-vent-valve-solenoid.html\">\u062f\u0631\u06cc\u0686\u0647 \u0642\u0648\u0637\u06cc \u062f\u0631\u06cc\u0686\u0647 solenoid<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/cheap-solenoid-valve.html\">\u0634\u06cc\u0631 \u0633\u0644\u0646\u0648\u0626\u06cc\u062f \u0627\u0631\u0632\u0627\u0646<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/china-solenoid-valve.html\">\u0634\u06cc\u0631 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href=\"https:\/\/fa.covna-china.com\/dlp\/electric-gate-valve-manufacturer.html\">\u062a\u0648\u0644\u06cc\u062f \u06a9\u0646\u0646\u062f\u0647 \u0634\u06cc\u0631 \u062f\u0631\u0648\u0627\u0632\u0647 \u0628\u0631\u0642\u06cc<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-4\" role=\"tabpanel\" aria-labelledby=\"tab-4\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/4-inch-electric-butterfly-valve.html\">4 \u0627\u06cc\u0646\u0686 \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/china-electric-butterfly-valve.html\">\u0686\u06cc\u0646 \u0634\u06cc\u0631 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/custom-electric-butterfly-valve.html\">\u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 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href=\"https:\/\/fa.covna-china.com\/dlp\/professional-electric-butterfly-valve.html\">\u062d\u0631\u0641\u0647 \u0627\u06cc \u062f\u0631\u06cc\u0686\u0647 \u067e\u0631\u0648\u0627\u0646\u0647 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-5\" role=\"tabpanel\" aria-labelledby=\"tab-5\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/2-motorized-ball-valve.html\">2 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0645\u0648\u062a\u0648\u0631\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/2021-motorized-valve.html\">\u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u06f2\u06f0\u06f2\u06f1<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/3-way-motorized-ball-valve.html\">3 \u0631\u0627\u0647 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0645\u0648\u062a\u0648\u0631\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/3-way-motorized-valve.html\">3 \u0631\u0627\u0647 \u0634\u06cc\u0631 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href=\"https:\/\/fa.covna-china.com\/dlp\/china-motorized-valve.html\">\u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0686\u06cc\u0646<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/custom-motorized-valve.html\">\u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/custom-made-motorized-valve.html\">\u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/customized-motorized-valve.html\">\u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0633\u0641\u0627\u0631\u0634\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/motorized-3-way-ball-valve.html\">\u0645\u0648\u062a\u0648\u0631\u06cc 3 \u0631\u0627\u0647 \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/motorized-3-way-valve.html\">\u0645\u0648\u062a\u0648\u0631\u06cc 3 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valve<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/oem-motorized-operated-valve.html\">oem motorized operated valve<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/professional-motorized-operated-valve.html\">\u062d\u0631\u0641\u0647 \u0627\u06cc \u0645\u0648\u062a\u0648\u0631\u06cc \u0639\u0645\u0644 \u0634\u06cc\u0631<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/wholesale-motorized-operated-valve.html\">\u0639\u0645\u062f\u0647 \u0641\u0631\u0648\u0634\u06cc \u0634\u06cc\u0631 \u0645\u0648\u062a\u0648\u0631\u06cc \u0639\u0645\u0644<\/a> <\/div>\n <\/div>\n <div class=\"tab-pane\" id=\"tab-15\" role=\"tabpanel\" aria-labelledby=\"tab-15\">\n <div class=\"_tags-box_13kno_350\"> <a href=\"https:\/\/fa.covna-china.com\/dlp\/1-12-electric-ball-valve.html\">1 1\/2 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/1-inch-electric-ball-valve.html\">1 \u0627\u06cc\u0646\u0686 \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/12v-electric-ball-valve.html\">12v \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/2-inch-electric-ball-valve.html\">2 \u0627\u06cc\u0646\u0686 \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/2021-electric-ball-valve.html\">2021 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/3-4-electric-ball-valve.html\">3 4 \u062f\u0631\u06cc\u0686\u0647 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/3-way-electric-ball-valve.html\">3 \u0631\u0627\u0647 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/34-electric-ball-valve.html\">3\/4 \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/ball-valve-actuator-electric.html\">\u062a\u0648\u067e \u0634\u06cc\u0631 \u0639\u0645\u0644\u06af\u0631 \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/buy-electric-ball-valve.html\">\u062e\u0631\u06cc\u062f \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/cheap-electric-ball-valve.html\">\u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0627\u0631\u0632\u0627\u0646<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/china-electric-ball-valve.html\">\u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc 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href=\"https:\/\/fa.covna-china.com\/dlp\/electric-actuated-pvc-ball-valve.html\">\u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc \u0641\u0639\u0627\u0644 \u0634\u06cc\u0631 \u062a\u0648\u067e \u067e\u06cc \u0648\u06cc \u0633\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-ball-valve-12v.html\">\u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc 12v<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-ball-valve-company.html\">\u0634\u0631\u06a9\u062a \u0634\u06cc\u0631 \u062a\u0648\u067e \u0628\u0631\u0642\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-ball-valve-factories.html\">\u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0647\u0627\u06cc \u0634\u06cc\u0631 \u062a\u0648\u067e \u0627\u0644\u06a9\u062a\u0631\u06cc\u06a9\u06cc<\/a> <a href=\"https:\/\/fa.covna-china.com\/dlp\/electric-ball-valve-factory.html\">\u06a9\u0627\u0631\u062e\u0627\u0646\u0647 \u0634\u06cc\u0631 \u062a\u0648\u067e 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