Aluminum Corporation of China, Ltd. (Chalco), incorporated as a joint stock limited company in the People's Republic of China in 2001 and headquartered in Beijing, is the main producer of alumina and the largest producer of primary aluminum in terms of production and sales in China. Chinalco, a state-owned enterprise, currently owns 40.46% of Chalco's issued share capital, and it is Chalco's largest shareholder. As of September, 2007, the company's assets totaled approximately $10.7 billion and are expected to continue to grow rapidly.

Chalco organizes and manages its operations mainly through the following two business segments: Alumina and Primary Aluminum. External sales of the Alumina and Primary Aluminum segments accounted for approximately 44.3% and 54.5%, respectively, of Chalco's total 2006 revenue. Revenues from Primary Aluminum segments are expected to contribute larger ratio of the company's revenue.

(Read more at Wikinvest )