... 316L, etc.Certificate: ISO, ASTM, GB, DIN, JIS, Etc bottom price&good quality 304 stainless steel pipe/tube Commoditystainless steel pipe ... Boiler Heat-Exchanger and other fieldsPackingEach in PVC bags, bundles with knitted plastic bag, wooden cases or according to customers' ... rolling,extrusion pressing ,cold rolling and colddraw.In accordance with sectional form can be devided into circle tube and ...