Gate Valve, Globe Valve, Check Valve manufacturer / supplier in China, offering Cast Steel Gate Valve DN400 Pn16 with Stainless Steel Seal for Industrial, Pn16 20 50 JIS 3 4 5 6 7 8inch Gate Valve Stainless Steel 304 316 Flange Gate Valve for Water or Oil, Wcb 150lb 4 Inch Cast Steel Gate Valve and so on.