... aluminium display rack:1. Material: 6063, 6005, 6061 2. Surface: mill finish, anodize or customized 3. Technique: extrude, ... Numberaluminium alloy 6005, 6060, 6061, 6063, 6082, etc.Surface Treatmentmill finish, anodized ,powder-coating, painting, electrophoresis, wood ... sales. We sincerely welcome new and old friends to come and negotiate business. aluminium display rack with beautiful smooth surface