Stainless steel pipe and tube(square) 1)ASTM/ASME,GB,DIN, ... .5-40mm 4)5t Stainless steel pipe and tube(square)1)ASTM/ASME,GB,DIN,JIS,T14975 ... medical treatment, food, light industry, machinery and apparatus industry pipeline and mechanical structural components, etc. In addition, in ... has been conducting extensive exchanges and friendly cooperations with domestic and overseas companies on the basis ...