... ,Quick Sample 4)LED Light Heat Sink Aluminum HeatsinkWelcome customizing aluminum extrusion part/heatsink 1)Material:aluminum/aluminum alloy 2)Surface treatment:Sand spray ... , Deburing, Milling, Drilling, Turning, Tapping, Shearing, Insulation, Platic forming, HydroformingApplication: Aluminum heat sink used for all kinds of LED Lightings in ...