Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering BS4504 DN32 Pn16 304 Stainless Steel Water Treatment Slip on Flange, High Quality DIN4533 DN15 304L Stainless Steel Shipbuilding So Flange, ASME B16.5 3 Inch Class 300 304L Stainless Steel Slip-on Flange for Industrial Use and so on.