Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering Stainless Steel Thread High Pressure 1/8" 1/4" 3/8" 1/2" Inch NPT Female 2 Way Female Ball Valve, High Quality Ss 304 Pn64 Straight Full Port 3/4 Inch Tapered Threaded Ball Valve, 304 Stainless Steel Hydraulic Ball Valve, Internal Thread Straight Through High-Pressure Ball Valve 2 Way Hydraulic Ball Valve and so on.