Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves Industrial Stainless Steel Double Acting Pneumatic Flange Ball Control Valve, J-Valves Carbon Steel Wcb Gate Valve Pressure Seal 16" ANSI 1500lb Gate Valve, J-Valves Carbon Steel Wcb Gate Valve Pressure Seal 16" ANSI 1500lb and so on.