Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering 3 Way Ball Valve, Full Bore Ball Valve 1/2 Inch, DN15 304 Stainless Steel Internal Thread L-Shaped Manual Drive, Suitable for Water, Oil, and Natural Gas, Hot Sale Light Duty 1000 Psi Stainless Steel 304 316 2PC Ball Valve, SS304 316 4 Inch Ball Valves Stainless Steel Ball Valves High Pressure Ball Valves and so on.