... 5)OEM&ODM aluminum extrusion heat sinks1)Material: aluminum alloy2)Workmanship: aluminum die casting3)Application: ... Container floor,Radiator,industrial profile series.2.Trait:High corrosion resistance performance,Heat-resisting performance,Prevent mildew performance,Aluminum ... Anodic oxidation, Electrophoretic coating, grainy transfer.5.Aluminum extrusion process: Drilling, Cutting, Stamping, Milling. ...