Valves, Ball Valve, Gate Valve manufacturer / supplier in China, offering GB/GOST/Awwa/BS 1868 CF8 Stainless Steel 316 3′′ 4′′ 6′′ 8′′ DN80/100/150/200 Silent Check Valve for Clean Water and Chemical Processing, ANSI/API 600/GB/GOST/Awwa Cast Iron Steel Wcb 2′′ 4′′ 6′′ DN50/100/150 Industrial Gate Valve for Fire Protection Systems, High-Precision Pressure Control Safety Valve with Quick-Opening Mechanism for Steam, Air, and Hydraulic Power Applications and so on.