... :ANSI,ASTM,MSS,JIS,DIN,EN HY carbon steel Welding Neck Flange We started to product flanges from 1986 ... from all over the world, such as South Korea, Canada, Japan, Australia, South Africa, and so on. We can provide ... etc.2. TypeSlip On Flange, Flat Face Flange, Socket Welding Flange, Blind Flange, Non-standard flange ect.3. Size1/ ... .Supply Capacity700 tons per month HY carbon steel Welding Neck Flange