1.Die casting heat sink magnesium alloy 2.Precision machining 3.Finish: Plating Anodizing Painting 4.Supply OEM & ODM 5.ISO ... 5lbsMaterialsAluminum Alloys: 380, 13, 360, 390, 413Zinc alloys: Zamak 2, 3, 5, 7, ZA 8 and ZA 12Mould materials8407,H13,P20 ... lifetime One million timesProduction procedure1.Designing drawing 2.Opening mould 3.Die casting ( Aluminium alloy or Zinc alloy )4.Precision machining ...