... in light industry,heavy industry,daily necessities and the decoration industry. My company long-term supply stainless steel ... , 317L,321,409L, 904L, 4Cr13stainless steel production: The details of my companyThe stainless steel sheet/coil/stripstandardASTM, ... technologySeamless steel pipeWelded steel pipeSurface treatmentPolishing or not The stainless steel barstandardASTM,GBmaterial201,202,301,304,316 ...