... so on.Surface treatment polishing,brushing,anodized, electroplate,powder coating, sandblasting,painting , so on. 2, Typical chemical ... T5 3.Suface:Anodizing,powders coating 4.Certification:ISO:9001:2008Detailed Product DecriptionAluminum frame for solar modules (1).40 ... °-Angle(2)45° -AngleC)Suface Treatment(1). Anodizing:(Clear,silver,golden,bronze,other muiticolar.)(2). Electrophoresis(3). Powder ...