... Flange 2.ISO/BV,ABS Certification 3,Supplier of ABB,GE etc. 4,30years' history 1.Commodity Name: Pipeline Cover/Blind Flange ... /Cover and Flange2.User: AMERICAN GE COMPANY,ABB etc.3.Standards: ABS ... , BV, CCS, DIN, GBJB, ASTM, ASME etc or as your request.4.Certification: ABS ...