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WENZHOU LONGEAN ZHENGQIU VALVES FACTORY,taking scientific idea of the world,and "Pursuing advanced technology,strictly scientific management,to guarantee high quality and create first-grade brand" as quality principle, aiming to "No leakage for the products",is professionaly producing high quality ball valve,Gate valve,Check valve,Globe valve etc.In accordance with American ANSI/API¡¢JIS¡¢DIN¡¢GB/JB standard,which are widely used in the fields lide petroleum,chemical industry,electtric power,enviromentalprotec...
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