... casting and cold die casting zamak die-cast components -handrail bracket 1.zinc die casting 2.material:zamak 3#3.processs ... , (optional)6.QC and package, 7.delivery. Material could be aluminium, brass, copper, iron, steel, magnesium, zinc, etc. B. Or the ... process could be like this:1.material purchasing( billet aluminium 6061, 7075, 2024, iron tube, steel bar, brass block and ...