... hinge for upvc door 2.Zinc alloy, Steel, Brass 3.Custom Fabrication Service 4.Furniture Hardware 5.ISO9001 Die casting ... Alloys: 380, 13, 360, 390, 413Zinc alloys: Zamak 2, 3, 5, 7, ZA 8 and ZA 12Mould materials8407,H13,P20 ... million timesProduction procedure1.Designing drawing 2.Opening mould 3.Die casting ( Aluminium alloy or Zinc alloy )4.Precision machining 5.Surface treatment : burring ...