... 4)strict quality control 5)OEM&ODM aluminum extrusion heat sinks1)Material: aluminum alloy2)Workmanship: aluminum ... generic decorative series, heat insulation cold bridge series,Container floor,Radiator,industrial profile series.2.Trait:High corrosion ... coating, Anodic oxidation, Electrophoretic coating, grainy transfer.5.Aluminum extrusion process: Drilling, Cutting, Stamping, Milling. 6. The ...