The application of mirror polished aluminum sheet has extended to such a wide scope that we are usually surprised upon spotting them in some products. Sometimes it serves as a packing material for cosmetics and high end gifts, and on other occasions it becomes shells for expensive cell phones and laptops. You sees it as lamp covers on the street, walls for buildings and decoration material at shopping malls. Then why is the mirror polished aluminum sheet so widely applied? Why don’t people choose other metals?