Gate Valve, Globe Valve, Check Valve manufacturer / supplier in China, offering Cast Steel Gate Valve DN400 Pn16 with Stainless Steel Seal for Industrial, J41h-16 Cast Steel Carbon Steel Boiler High Temperature Steam Flange Globe Valve DN20 25 32 40 50 65 80 100, Pn16 20 50 JIS 3 4 5 6 7 8inch Gate Valve Stainless Steel 304 316 Flange Gate Valve for Water or Oil and so on.