Gate Valve, Butterfly Valve, Check Valve manufacturer / supplier in China, offering Industrial Ball Valves Pn64 DN200flange Ball Valve for High-Temperature Oil, Stainless Steel Swing Check Valve 1" DN40 – SS304/SS316, Flange Type, Zero Leakage, Industrial Use, Hot Sell Wafer Type Triple Eccentric Butterfly Valve Flange Butterfly Valve Hard Seal Butterfly Valve and so on.