1. Aluminum alloy and other material hardness reach above HV: 8 degrees. 2. Diversification effect of the surface treatment technology Drawing package scraping Polishing, sandblasting, anodizing, electrophoresis, drape, color, electroplating, spraying, and so on. 3. Main Specifications meet GB/T6892-2000 industrial thermal aluminum and aluminum alloy extrusion profiles, GB/T3191-1998 aluminum and aluminum alloy extrusion bar standards. 4. The surface printing effect included glittered and so on. Projector, high and low temperature testing device, color tester, coating tester, the oxide film tester, hardness tests, salt spray test.