... alloy, Magnesium, steel, grey iron and Ductile Cast iron Sand casting (iron or brass) Forging/stamping (aluminum, brass and steel ... ) Die casting/vacuum casting (aluminum, zinc alloy, Magnesium) Investment casting (stainless steel or brass) 2. Process: Casting, Machining, Assembly and Surface treatment ... . Service: OEM service and timely feedback. Magnesium die casting automotive Seat connection