Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves 4" 150lb Stainless Steel Floating Flange Ball Valve, J-Valves 3" 300lb Stainless Steel Floating Flange Ball Valve, J-Valves 2" 300lb Stainless Steel Floating Flange Ball Valve and so on.