... , Mg & Zn alloys 3. ISO9001:2008 compliant Die Cast LED Down Light HousingDie Casting, Die Casting Mould, Die casting Mold, Die Casting Tooling, aluminum / magnesium / zinc ... certificatesISO9001-2008 Production procedure1.Designing drawing 2.Opening mould 3. Die casting (Aluminium alloy, magnesium ally or Zinc alloy )4. Precision machining ...