... :DN15-DN2000 3.Standard:ANSI,ASTM,MSS,JIS,DIN,EN HY carbon steel Welding Neck Flange We started to product flanges ... /JIS standards etc. Also we could provide non-standard flange on the basis of drawing or sample supplied by clients. More ... inquiry. 1. StandardANSI,ASTM,JIS,DIN,GB etc.2. TypeSlip On Flange, Flat Face Flange, Socket Welding Flange, Blind Flange, Non ...