1. TUV Germany authentication PED/AD 2. ISO 9001:2008 DNV authentication manager sys. 3. S.S pipe various size and standard Feactures:1)Standard:ASTM/ASME,GB,DIN,JIS,Ti14975,etc.2)Grade:200,201,301,304,TP304,TP304L/304L,TP321,316,TP316,316L,316Ti,317,317L,310S(2520),347,S31803,etc.3)Outside diamater:6-510mm,Thickness:1-40mm4)We can customize sizes according to your needs.5)Supply Capacity:1000 ...