... 3 factories 1. Surface treatment: mill finish, anodized, powder coated, electrophoresis, wood finish, heat-insulation, mechanical polish, ... side colorSilver,Champagne,Bronze,Black for Anodizing;Multi-color for Powder spraying and Wood grain paintingSpecification 1. Alloy: ... most3. Normal anodizing thickness: 8 to 12 micro4. Normal powder coating thickness: 60 – 100 micro5. Tensile Strength: ≥160 ...