Flange Ball Valve, Trunnion Ball Valve, Butterfly Valve manufacturer / supplier in China, offering EPDM PTFE Seat SS304 SS316 Stainless Steel Wafer Lug Butterfly Valve, PTFE EPDM Seat Ductile Cast Iron Wafer Lug Butterfly Valve, SS304 SS316 Body and Disc EPDM PTFE Flange Butterfly Valve Turbine Operated and so on.