Valves, Ball Valve, Gate Valve manufacturer / supplier in China, offering ANSI Standard API 6D/GB/GOST/ASME B16.34 Ductile Iron 1′′ 2′′ 3′′ 4′′ DN25/50/80/100 Floating Ball Valve for HVAC and Water Treatment Applications, ANSI Standard GB/GOST/ASME B16.34/API 6D Cast Steel Wcb 2′′ 3′′ 4′′ 6′′ DN50/80/100/150 Trunnion Mounted Ball Valve for Industrial, High-Quality ANSI B16.5/GB/GOST/BS 5351 Ductile Iron 2′′ 3′′ 4′′ 6′′ DN50/80/100/150 Trunnion Ball Valve for Municipal Water Distribution and so on.