It will be a casting made by melting aluminum scrap in a rotary furnace. The market environment for domestically produced base metal has become tougher every year due to a combination of factors, including a decrease in the generation of engine scrap, which is the main raw material, exports of used cars, exports of used engines, and an increase in exports of engine scrap.Yen price per kg. MIRU revises the price by referring to the purchase prices of several major aluminum scrap dealers.