... for many international buyer..Main information about Aluminum die casting 1) Product Material: aluminum alloy, zinc alloy. ... , etc. 4) Whole process including: Tooling, Die casting, Sand casting, Gravity casting, CNC machining, CNC milling, Stamping, Plastic injection ,Painting ... is any question on our production. Aluminum die casting side cover for grass trimmer/grass trimmer parts/lawn mower ...