... SystemMaterial Numberaluminium alloy 6005, 6060, 6061, 6063, 6082, etc.Surface Treatmentmill finish, anodized ,powder-coating, painting, electrophoresis, wood grain ... decoration and industry 3) Quick Prototype in 7 to 10 business days4) various in size, style (aluminum profile, angles, ... welcome new and old friends to come and negotiate business. aluminium display rack with beautiful smooth surface