Aluminum Corporation of China Limited (CHALCO), through its various affiliated entities, specializes in the global manufacturing and distribution of alumina, primary aluminum, aluminum alloys, and carbon products, serving markets within the People's Republic of China and worldwide. The company's business activities are structured into five distinct divisions: Alumina, Primary Aluminum, Trading, Energy, and Corporate & Other Operating. The Alumina division focuses on obtaining bauxite and other essential raw materials through mining or purchase, subsequently processing bauxite into alumina.