Ball Valve, Gate Valve, Globe Valve manufacturer / supplier in China, offering Good Surface NPT/BSPT/Bsp Threaded 201 Medium Type Full Port 2PC Stainless Steel Ball Valves, Good Surface NPT/BSPT/Bsp Threaded 201 Medium Type 2PC Stainless Steel Ball Valves, Wcb 1000wog NPT/BSPT/BSPP Threaded Monoblock 1PC Carbon Steel Ball Valve and so on.