1.forging dn150 pn16 2.Material:Stainless Steel 3.Size:1/2"-48" ... ,BL and so on 5.Certificate:ISO9001:2000 1. forging dn150 pn16 2. Material:such as A105, A105N,A106,Q235 ,201 ... ,301, 304,304L,316,316L,321 etc.3. Standard: JIS,BS,DIN.UNI,ANSI ,AISI ,ASME,NF,API ,GB ,GOST ...