... .process ; hot die casting and cold die casting zamak door handle 1.zinc die casting 2.material:zamak 5#,3#3 ... 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 magnesium block, ect.), or ...