1) Material: AL6063, AL6061, AL6005 or others 2) Finish: various anodizing color 3)optimum resistance to heat We are specialized in all kinds of electrical, electronic high-power heat sink, plug heat sink, welded heat sink, heat sink for inverter, a variety of shells and car power shell, and carry metal processing, black plated, and we also sale aluminum tube and aluminum rod.The heat sinks are ...