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