Ball Valve, Gate Valve, Globe Valve manufacturer / supplier in China, offering DN100 Pn20 RF Flange CE Certified for Chemical Transfer & Seawater Systems Duplex Stainless Steel 4A (2205) 2PC Floating Ball Valve, J-Valves Control Gas Valve DN40 Flanged End Carbon Steel Wcb 2PC Floating Ball Valve, J-Valves Control Gas Valve Flanged End Stainless Steel 3PC Extended Stem Ball Valve and so on.