... 4.machining tooling:pneumatic. machining parts:1.Equipment:milling machine,drilling machine,CNC Lathe,CNC machining center etc;2.Material:The material of aluminum ... alloy, zinc alloy, carbon steel, stainless steel,cast iron, brass and copper;3.Machining ... :plating,anodizingpowder coating,spray-paint,electrophoresis.Photos of equipment: