Valve, Ball Valve, Gate Valve manufacturer / supplier in China, offering SS304/SS316 Pn16/25/40 DN80/100/150 Flange Gate Valve for Gas/Steam/Water/Oil/Steam, Wholesale Good Quality Corrosion Resistant Class 150/ Class300 Flange Gate Valve for Chemical Industry, High Performance High Temperature Industrial Pn16/Pn25/Pn40 Flange Gate Valve and so on.