... , 50*35, 60*35, 46*40, 46*50, etc. Aluminium solar frame for solar panel 1) Certification: ISO9001, ISO14001, CQM 2) Size: 35 ... *30mm (B)Two Types: 1) 90° -Angle 2) 45° -Angle (C)Surface Treatment: 1) Anodizing (clear, satin, bronze, black, golden, silver ... *30mm (B)Two Types: 1) 90° -Angle 2) 45° -Angle (C)Surface Treatment: 1) Anodizing (clear, satin, bronze, black, golden, silver ...