Our production is strictly in accordance with American standard ASTMB210M, ASTMB221M, ASTMB234M, ASTMB241M, ASTMB404M while the chemical ingredients are in line with British standard BS1474:1987, American standard ANSI B221M-88 and Chinese standard GB/T5237.1-2000.

    Our aluminum alloy extrude seamless tubes, seam tubes, drawn tubes are from 5mm to 160mm in outside diameter, and above 0.5mm in wall thickness. They are applied in machine, medical appliance, chemical industry, sport equipment. And they are in accordance with ASTMB241M, ASTMB234M, ASTMB210M, ASTMB221M.