... long-term supply stainless steel products, including stainless steel seamless pipes,stainless steel bar and stainless steel sheet. The material ... , Korea, Vietnam, India , Pakistan, Iran, and so on. Steel pipematerialGB10#,20#,45#,20G.16Mn,27SiMn,15CrMoG,12Cr1MoU,20CrMo,35CrMo ... gas pipe, API pipe, alloy steel pipe, carbon steel pipe and so on. Steel sheetmaterialDC01,SPCC,ST12,HJ58,HG60,DB685,16Mn ...