... treatment and machining 3.High quality Mechanical parts--stainless steel flange forging parts 1.standard: DIN, BS, USS, JIS 2.weight ... the customers needTypesSlip-On, Welding Neck flange, Blind flange, Socket Welding flange, Threaded flange, Lap Joint flange and Plate flange etc.Applicable standard GB, ASME , ... discussion for mutual bright future. Mechanical parts--stainless steel flange forging parts