... :ADC12/A356/A380 3.high precision 4.Process:Die-Casting+machining 1) Mold Material: 8407, P20, H13, SKD11 ... skilled manufacturing process, Strict quality Control System Die Casting Part 1) Product Material: aluminum alloy, zinc alloy ... process is done in house including: Tooling, Die casting, Sand casting, Gravity casting, CNC machining, CNC milling, Stamping, Plastic injection, Painting and powder ...