Gate Valve, Ball Valve, Butterfly Valve manufacturer / supplier in China, offering ANSI API CF8 EPDM PTFE Strong Acid Ductile Iron Lever Opreated Wafer Butterfly Valve, Water Rubber Soft Seal Ductile Iron Flanged Ends Gate Valve, Butt Weld Bevel ASME B16.11 Wpb Seamless ERW 90 Degree Elbow and so on.