... alloy 2)Standard:GB 5237-2008 3)high-quality Aluminum Extrusion Profile 1)Alloy No.:6005,6060,6061,6063,6063A, ... profile, solar energy profile, elevator guide rail profile, radiate heat profile, pipeline profile, auto window frames profile,window and door ... ISO 9001:2008 7)Standard: GB5237-2008 . 8)Equipments: 1,Extrusion production lines. 2,Anodizing and electrophoresis production lines. 3,Spraying ...