... -DN2000 4.Standard:ANSI,ASTM,MSS,JIS,DIN,EN etc. We started to product flanges from 1986.With the rich experience ... South Korea, Canada, Japan, Australia, South Africa, and so on.We can provide forged carbon flanges, including slip-on flange, plate ... drawing or sample supplied by clients. More details ,please contcat us . We sincerely welcome to your valuable words and inquiry. 1. Standard ANSI,ASTM ...