Stainless Steel Flange, Pipe Fittings, Valve manufacturer / supplier in China, offering DIN 2633 & GOST 12821 Stainless Steel Pipe Flange DN15-DN2000 Pn6/Pn10/Pn16 Welded Flange Manufacturer, ANSI B16.5 & JIS F7806 Certified Stainless Steel Flange Pipe DN50 Class 150/300 - 304/316L for Petrochemical and High-Pressure Pipelines, ASTM/ASME B16.5 Certified Stainless Steel 304/316/316L Flange Pipe (DN25/DN50/DN100) - API & Ms Certified Flange Manufacturer for Industrial Piping Systems and so on.