... 2. Material:S S 3. Size:1/2"-40" 4. Type:slip on flange 5. Certificate:IS09001:2000/2008/ ... . Standard:GB,JIS,BS,DIN.ANSI and Non standard,4. ANSI class 150,300,400,600,900,1500,25005. ... on .9. Sealing surface : FF ,RF, LJ, FM ,R.T.J and so on .10. Production process : raw material ... manufature license : manufacture license of special equipment of P.R.C15. Marking :according to client's requirement.16. QC ...