Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves API 6D Duplex F51/Wcb/Lcb ANSI 900 2PC Trunnion Flanged Nace Mr0175 for Service Corrosion High Pressure Resistant Ball Valve, J-Valves Reduced Bore Forged Steel 4X3 Inch 900 Lb Trunnion Mounted 3-Piece Flange Ball Valve, J-Valve Iecex Certified Pneumatic Actuated 3PC Trunnion W/ Double Flanges Carbon/SS304/SS316 Toggle Clamp for Quick Maintenance API 6D Fire Safe Ball Valve and so on.