Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering API Wcb Cast Steel Gate Valves in 150lbs, Hot Sales Cheap Price En545 Ductile Iron Pipe Fittings T-Type Flanged Socket, High Quality ISO2531/En545/En598 Ductile Iron Cast Iron Pipe Fittings Double Flange Tee Elbow and so on.