... supply stainless steel products, including stainless steel seamless pipes,stainless steel bar and stainless steel sheet. The material ... Satin,Mirror,Vibration,Bead Blast,Embossed The stainless steel pipestandardASTM,GBmaterial201,202,301,304,316 ... and so onProduction technologySeamless steel pipeWelded steel pipeSurface treatmentPolishing or not The stainless steel barstandardASTM,GBmaterial201,202,301 ...