... stainless steel seamless pipes,stainless steel bar and stainless steel sheet. The material have 201,202,301, 309 309S 310, 310S ... shipstainless steel production: The details of my companyThe stainless steel sheet/coil/stripstandardASTM,GBmaterial201,202,301,304,316,316L,316LN,317,317L ...