Ball Valve, Needle Valve, Check Valve manufacturer / supplier in China, offering Heavy Duty Gate Valve - 1" NPT Stainless Steel Female X Female Thread Rotary Sluice Valve, SS304 SS316 Sch 5s Stainless Steel Sanitary Butt-Weld 90 Deg Elbow, High Quality Stainless Steel Flange Ball Valve 316/304 Globe Valve Flange Ball Valve High Pressure Instrument Valve and so on.