Aluminum Corp. of China Ltd. engages in the manufacture and distribution of alumina, primary aluminum, and energy products. It operates through the following business segments: Alumina, Primary Aluminum, Energy, Trading, and Corporate and Other Operating Segments. The Alumina segment includes of mining and purchasing bauxite and other raw materials, refining bauxite into alumina, and selling alumina. The Primary Alumina segment consists of procuring alumina and other raw materials, supplemental materials, and electricity power, smelting alumina to produce primary aluminum. The Energy segment covers research and development, production, and operation of energy products such as coal mining, electricity generation by thermal power, wind power and solar power, and new energy related equipment manufacturing business. The Trading segment involves the trading of alumina, primary aluminum, aluminum fabrication products, other non-ferrous metal products, coal products, and raw and supplemental