China Southern Airlines Co Ltd estimated 2010 profit would be about 15 times that of 2009 as demand for passenger and cargo transportation services soared.

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In a filing with the Hong Kong bourse late on Tuesday, the Chinese airline said net profit attributable to equity holders amounted to 358 million yuan ($54 million) in 2009 in accordance with Chinese accounting standards.

China Southern Airlines said it also would report currency gains reflecting the appreciation of the yuan against the US dollar.