Steel Pipe and Fitting, Valve, Manhole Cover manufacturer / supplier in China, offering DN25 Stainless Steel Mini Ball Valve 1PC SS304, 1 Inch Stainless Steel 1PC SS304 Ball Valve CF8m 1000 Wog, 4 Inch Stainless Steel Ss 1PC Ball Valve 1000 Wog Psi and so on.