Name: aluminium radiator fan Surface treatment: Nickel Brushed Plating and so on Material: aluminum A380, A356 and ADC12.... We are manufacturer of kinds of die castings,zinc alloy die casting,including radiator fan,LED light part,heat sink,Lock parts and so on1)Material:aluminum ;zinc;2)We manufacture metal parts according to customers' designs;3)We can offer material certification, test report ...