Gate Valves, Brass Ball Valves, Check Valves manufacturer / supplier in China, offering 1/2 3/4 1inch Butterfly Handle Gas Valve Yellow Brass Gas Ball Valve, Green Valves Hydro Master 3/4-Inch IPS Isolator Tankless Water Heater Service Valve Kit with Pressure Relief Valve, Clean Brass, Tankless Heater Kit-Set of 2 Heavy Duty Hot and Cold Isolation Valves with Cleanouts and so on.