... years industry experience 3. ODM&OEM with ONE-STOP solution service Product No./NameJJ-00038 / Aluminum precision die casting equipment heat sink part ... 3, Zamak 4, Zamak 5, Zamak 12; Aluminum 6061, 6063, 7075; (Plastic: ABS, PC, PS, PP, PVC, TPR, TPU, TPE, ... , sandblasting etc...6) Tolerance: +/- 0.0005inch, also accord with GB6414 Aluminum precision die casting equipment heat sink part