The central parity rate of the yuan, China's currency Renminbi (RMB), advanced to 6.7778 per US dollar Monday from 6.7790 per US dollar Friday, according to the data released by the China Foreign Exchange Trading System.

China's central bank announced on June 19 that it would further the reform of the formation mechanism of the yuan exchange rate to improve its flexibility.

(Xinhua News Agency July 26, 2010)