... : GB/T19001-2008: ISO9001-2008Meterial of Stainless Steel : GP201 202 301 304etcApplication Filed: ... stainless, stainless steel, tubes, tubing, steel pipe, steel tube, steel plate, steel sheet,stainless steel pipe, stainless steel coil, stainless steel tube, stainless ... steel sheet, steel, pipe, tube, tubes,No.Chemical ...