... LED cooling 3.Passed ISO9001 2013 High power aluminium led bulb shell for sale Heatsinks BrandJianfaMaterial AL ... Procedure Preciously Cutting, milling, drilling, punching, CNC Machining Drilling,punching,tapping,CNC Surface treatment Mill finish, powder coating, ... screen printing3.Mechanical processing: Drilling, milling, tapping, turning, CNC machining4.Lead time: 15 to 25 days5.Package: Plastic ...