Ball Valve, Gate Valve, Globe Valve manufacturer / supplier in China, offering BS 1868 ASTM A217 Wc6 Swing Check Valve DN50 600lb, 6in 300 Lb BS1873 ASME B16.34 ASTM A217 C5 Globe Valve, Bi-Directional Duplex Steel 5A Three Eccentric Butterfly Valve and so on.