... standard: National Standard GB, United States Standard ASTM. Forging, Casting, CNC Milling, CNC machiningMaterial: aluminum casting/ A380/A356/ADC12Material standard: National Standard GB ... casting/ Sand Casting/gravity casting/ die-casting /CNC machining/Product scope: OEM/customer comes to order the system Forging, Casting, CNC Milling, CNC machining