Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering 3PC Stainless Steel Ball Valve 304/316 High Pressure Threaded End NPT/BSPP Water/Oil/Steam Control Valve, 1/4 Inch NPT Heavy Duty Stainless Steel Ball Valve with Blue Handles, Stainless Steel 304 316 High Pressure 6mm 6000 Psi Ferrule Type Needle Valve and so on.