... 3) Free Mold Design,Quick Sample 4) OEM OK Extruded Aluminum Heat Sink Specification:Material: Alluminum Alloy: 1x,2x, 3x, 4x, 5x, 6x ... , Turning, Tapping, Shearing, Insulation, Platic forming, HydroformingApplication: Aluminum heat sink used for all kinds of LED Lightings in Industrial area, Computer, Amplifier, Industral, Decoration ...