Ball Valves, Gate Valves, Globe Valves manufacturer / supplier in China, offering J-Valves Investment Casting Wcb/CF8/CF8m/304/316 Double Flap Wafer Check Valve Pn16/25/40, API 600 24 Inch 600lb Wc6 Flanged RF Gate Valve, ASTM A216 Wcb 30" 300lb Gear Operated Flanged Gate Valve and so on.