... supplier for many international buyersMain information about Aluminum die casting 1) Product Material: aluminum alloy, zinc alloy. 2) Surface ... valve, pneumatic , etc. 4)Whole process including: Tooling, Die casting, Sand casting, Gravity casting, CNC machining, CNC milling, Stamping, Plastic injection ,Painting ... 2:Size as customer required.3:Made of high grade Aluminum4:100% checked before shipment. 5 ...