aluminium led bulb shell 1.Finish:mill finish, anodized, etc. 2.Pin fin solutions for ... Preciously Cutting, milling, drilling, punching, CNC Machining Drilling,punching,tapping,CNC Surface treatment Mill finish, powder coating, Anodizing Application Cooling ... , screen printing3.Mechanical processing: Drilling, milling, tapping, turning, CNC machining4.Lead time: 15 to 25 days5.Package: Plastic film ...