1,anodized aluminum heat sink for bulb light 2,aluminium6063-T5 3,anodized,powder coating,polishing 4,OEM ... welcomed 5,ISO9001 anodized aluminum heat sink for bulb light 1.products detail material6063-T5Color:white/black/yellow/blue ... friendly-environment4.packinga.(standard packing)plastic film wrapped for each profile in order to protect the profiles’surface,bubble paper,EPE+carton ...