HONG KONG, Jan 17 (Reuters)- Aluminum Corp of China Ltd (Chalco)(2600.HK: Quote)(601600.SS: Quote) said it expects to turn a net profit for 2010 after recording a net loss of 4.646 billion yuan ($690 million) in 2009. "The turnaround from loss to profit for the year 2010 was mainly attributable to an increase in the market prices and sales volume of the principal products of the company," Chalco, the country's top aluminium producer and the world's third-largest alumina maker, said on Monday in a statement filed with the Hong Kong stock exchange. The company also attributed the profit to cost reduction and efficiency improvement policies.(US$ = 6.7 yuan)