... : Aluminum die casting, die casting, extrusion, sand casting, investment casting, CNC machining.Surface finish: Passivation, Anodize, Alodine, paiting, powder coating, e-coating ... with Rohs.We design, manufacture, sell, supply aluminum heat sinks,die casting heatsink, radiator sinkscopper heat sinks, heat sink parts, aluminum fins, cool plate, profile ...