... heat sink.It's hold good heat dissipation and smart surface treatment. 1.We can produce the ... blasting, Anodized, Powder coated, Chromating, Passivating, Electrophoretic coated and etc.4.Purpose: Heat sink, Decoration, Electronic equipment frame, ... sampels,welcome for your visiting.Demension:WidthHeightLength105mm29mmCustomized,any length is ok.Drawing: Aluminium extrusion heat sink for industrial part