... service Product No./NameJJ-00038 / Aluminum precision die casting equipment heat sink part Manufacture Process1) Mould/Tooling analysis, design & manufacturing2 ... 5) Surface Treatment: High quality polish, powder coating, Chrome/Nickel/Zinc(white, blue, yellow, black)plating, hot galvanized, painting, Anodize, electrophoresis ... accord with GB6414 Aluminum precision die casting equipment heat sink part