... 3. Accept the business of designing and producing many flanges Welding Neck FlangeFeatures:1) Stainless steel flange and carbon steel ... : ANSI, JIS, DIN3) Material: 316L, 316Ti, 304L, 321, F304, 16Mo3, 13CrMo4-54) Production with anneal solution for stainless performance5) Special ... and producing many flanges, including non-standard flanges. Flange (Welding Neck Flange, Welded Flange, Moving Flange)