... " 4.Pressure:PN6-PN160 5.Type :Flange 1. 321GOST Standard DN80 PN16 2. Material:Stainless Steel:such as 201 301 304,304L ... on.3. Standard:GB,JIS,BS,DIN.UNI,ANSI/ASTM ASME,,API, NF ,GOST and Non Standard4. Size:1/2"-48"5 ... . Special equipment manufature license : manufacture license of special equipment of P.R.C13. Marking :according to client's requirement14. QC staff ...