aluminum alloy profile 1)Material:aluminum alloy 2)No roller axis of aluminum - black 3)Standard: GB5237-2008 ... heat profile, pipeline profile, auto window frames profile,window and door profile, decoration profile, mechanical special shaped profile, special ... precision.8)Equipments: 1,Extrusion production lines. 2,Anodizing and electrophoresis production lines. 3,Spraying production lines. 4,Thermal ...