Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering ISO 7005-1 DN250 Multinational Projects Stainless Steel 1.4404 (316L) Slip-on Flange, ISO 7005-1 DN200 High Compatibility Requirements Stainless Steel 1.4301 (304) So Flange, ISO 7005-1 DN125 Building Firefighting Stainless Steel En 10088-3 Slip on Flange and so on.