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WENZHOU LONGWAN ZHENGQIU VALVES FACTORY, taking scientific idea, 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 professional producing high quality ball valve, Gate valve, Check valve, Globe valve etc. In accordance with American ANSI/API&©|12289;JIS&©|12289;DIN&©|12289;GB/JB standard, which are widely used in the fields of petroleum, chemical industry, electric power, en...
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