ISO & PED & AD2000 Certified, 1st Reliable Flange Manufacturer In China 2 Year Quality Warranty. Stainless Steel Flanges,Standards: ANSI, BS, DIN, JIS, and other special size flanges,Type: Weld Neck, Slip On, Socket Weld, BR, Blind, ThreadedMaterial: 304, 304L, 316, 316L, 316Ti, and other stainless steel material.