Aluminium profile for window and door and industrial construction Surface treatment: extrusion, anodized, ... . Mill Finished2. Anodizing: Silver, champagne, light bronze, dark bronze, black, light titanium, dark titanium.3. Electrophoretic Coating: Silver ... , champagne, bronze, black, light bronze, dark bronze. 4. Electrostatic Color Powder Coating: Normal color, special ...