Gate Valve, Globe Valve, Check Valve manufacturer / supplier in China, offering GB/Italy/API/DIN Standard Wafer Flanged Ball Valve, DIN3352 F4 Water Treatment Ductile Iron Body Non-Rising Stem OS&Y Flanged Metal Seated Gate Valve, Awwa C515 C509 Wras Acs CE Ggg40/50 Ductile Cast Iron Non-Rising Stem OS&Y Resilient Seated Flanged Wedge Water Gate Valves for Fire Protection Systems and so on.