... solar panel,our capacity is 5000 Ton aluminium frames per month. Material aluminium alloy: 6061 /6063 T3-T8 ... ,painting , so on. 2, Typical chemical composition (GB/T3190) Aluminium GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0.35 <0.1 <0 ... Electrophoresis(3). Powder,polishing,PVDF,Sandblasting,etcStandard: GB/75237-2004,Q/320281/PDWD-2008Certification: ISO9001:2008Specifications: According to your ...