... lamp front head lamp aluminium mirror front lamp with powder coating mirror front lampfront head lamp 1,Material aluminium alloy: 6061 /6063 T3 ... polishing,brushing,anodized, electroplate,powder coating, sandblasting,painting , so on. 2, Typical chemical composition (GB/T3190)Aluminium GradeSiFeCuMnMgCrZnTiimpurityAl60630.2-0.6<0 ...