... steel, carbon steel and gray iron Surface treatments: sand blasting, cnc machining aluminium castingMaterials: aluminum, brass, cast iron, alloy and cast ... steelMachining: CNC turning, milling, drilling and boringSurface treatment: electrophoresis, sand and zinc ... Mr Albert LiuTel:86-574-87913612,87913611Fax:86-574-87913610 cnc machining