Precision aluminum heatsink Manufacturer supply directly. Customed drawing. Aluminum chrome, sand blasting Item name: precision aluminum heatsink Material: aluminumSurface: sand blasting, anodized, polishing, chrome/nickel/galvanized plating, lampworking, coloring, dip coating and so on. Spec. : customized drawings Around 8 years experience in stamping and CNC machining parts, skilled workers ...