... :ISO9001:2008 1. ANSI Stainless Steel F304L Forged Flange 2. Material:Stainless Steel:such as 201, 301 ,304,304L,316,316L,321 and so ... ,R.T.J ,R.J ,MALE ,FEMALE and so on . 8. Used for : petroleum,chemical,power,gas,water,linepipe, heat ... Mill ceitificate :3.1B 12. Certificate :TUV 13. ISO certificate : ISO 9001:2000 and ISO 9001 :2008 14. Special equipment manufature license : manufacture license of ...