aluminium led bulb shell 1.Finish:mill finish, anodized, etc. 2.Pin fin ... cooling 3.Passed ISO9001 2013 High power aluminium led bulb shell for sale Heatsinks BrandJianfaMaterial AL 6063,6061 Certification ISO & ... Surface treatments: Anodizing, powder coating, wire drawing, sandblasting, screen printing3.Mechanical processing: Drilling, milling, tapping, turning, CNC machining4.Lead time: 15 ...