... Angle (C)Surface Treatment: 1) Anodizing (clear, satin, bronze, black, golden, silver, other multicolor) 2) Electrophoresis 3) Powder coating ... Specification: According to your design drawings and your samples Aluminum Profiles Used as Solar Panel Frame (A)Features: ... (C)Surface Treatment: 1) Anodizing (clear, satin, bronze, black, golden, silver, other multicolor) 2) Electrophoresis 3) Powder coating ...