Standardïasme, astm, aisi, en , bs, gb, din, jis, etc lengthï as require Packingï wooden packing thickness: 0.3mm-30mm Surface :annealed , pickled, bright annealing quality control: 100%et A/sa 213 (astm/asme a/sa213): standard specification for seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes Established in 2006, huzhou dongshang stainless steel co., ltd is a stainless steel tube, pipe & tubular products manufacturer in china, we cover 30000 square meters including production workshop, packing workshop, pickling workshop and testing laboratory. More than skillful 80 staffs including 10 engineers, each year we produce more than 5000 tons stainless steel products. We hold a set of advanced production equipment and test devices, eight cold rolling & cold drawn production lines and eleven auto welding production lines, standards as astm, din, jis, iso, gb, stainless steel materials include 300 series, 400 series, 600 series and duplex steel.