... T6 2.finish: anodized, mill finishing, anodized, powder coated, etc. Electronic heat sink aluminium 1. With a good performance of thermal ... . One-stop Service: Mould, Extrusion, Surface treatment, Fabrication, Welding and Assembly, etc. 7. OEM service is workable. We can produce as ... , drilling, milling, threading, chamfering etc. and make surface treating services. Electronic heat sink aluminium