... 201 301 304,304L,316,316L,321 and so on.3. Standard:GB,JIS,BS,DIN.ANSI/ASTM , NF and Non ... , ,5K-40K etc.7. Sealing surface : FF ,RF, LJ, FM ,R.T.J and so on .8. Production process : raw material ... . Special equipment manufature license : manufacture license of special equipment of P.R.C11. Marking :according to client's requirement.12. QC staff ...