BEIJING, July 23 (Xinhua) -- China's Ministry of Finance (MOF) issued 5 billion yuan (about 715.31 million U.S. dollars) worth of yuan-denominated treasury bonds to the Hong Kong Special Administrative Region Thursday.

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The bonds, targeting institutional investors, included 4 billion yuan of two-year treasury bonds and 1 billion yuan of five-year treasury bonds, the MOF said in a statement.

The MOF started selling yuan-denominated treasury bonds in Hong Kong in September 2009 to boost the region's economy and speed up the expansion of offshore yuan business.