Huihua Valve Industry Co. locates at Tianjin city, china, mainly produces kinds of butterfly valve, dual plate check valve, single disc wafer swing check valve, silent check valves, grooved couplings with DIN,ANSI,AS,BS,EN,JIS,KS,GB series foreign standards and also supply Ductile Iron Pipe Fittings with BS EN545, BS EN598, BS EN4772, ISO 2531 Standard, Rubber Expansion Joint with DIN,ANSI,BS standards, Flange Adaptor,Dismantling Adaptor,Flexible Couplings with DIN standards.
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