... AL6063/6061 3.ISO,RoHS approval Used for the lamp of aluminum heatsinkColor Silver ,black ,golden and so on ... accepted8.Samples or AutoCAD drawings are preferred9. Different kinds of finish available,like anodized,power coating,painting,polishing,electrophoress,plating ... stack fin, electronic heatsink and diverse needs of the heat card. More than 5000 types of cooler molds, we can basically meet ...