Cast Iron Valve, Cast Steel Valve, Ball Valve manufacturer / supplier in China, offering ASME B16.5 B16.47 DIN2576 En1092 Flange Stainless Steel or Carbon Steel Material, DIN3356 Ductile Iron Cast Iron Bellow Seal Globle Valve Flanged Pn10 Pn16 Pn25, Stainless Steel Flange Type Ball Valve with Handle for Water Tank and so on.