... Environment SystemMaterial Numberaluminium alloy 6005, 6060, 6061, 6063, 6082, etc.Surface Treatmentmill finish, anodized ,powder-coating, painting, electrophoresis, wood grain/ ... machine: 500-2500tons5 sets of Same Level Hot Top Aluminum Bar Production lines18 sets of Aluminum Profile Hot Extrusion Production lines2 ... to come and negotiate business. aluminium display rack with beautiful smooth surface