... 3. Environmental 4. Diameter: 40mm, 50mm, 60mm, 70mm, 80mm, 100mm 2013 new design LED bulb light and lamp /aluminun profiles BrandJianfaModelAVC4658Material AL ... ,CNC Surface treatment Mill finish, powder coating, Anodizing Application Cooling system/heatsink Features:1.Material: Aluminum 6061/60632.Surface treatments: Anodizing ...