... 60mm, 70mm, 80mm, 100mm Anodized LED Downlight Heat Sink (pure aluminum) 1. With a good performance of thermal spreading.2. Optimum ... heat sinks and associated design parameters is provided.3.Material: Aluminum 1070.4.Surface treatment: anodized and also provided as ... or packing as your request.6. One-stop Service: Mould, Extrusion, Surface treatment, Fabrication, Welding and Assembly, etc. 7. OEM ...