The People's Bank of China (PBOC), China's central bank, issued 24 billion yuan (3.53 billion U.S. dollars) of one-year bills at its regular open market operations Tuesday at a yield of 2.0929 percent.

The central bank has kept the yield of one-year bills at 2.0929 percent since June 8.

Bills and repurchase agreements worth 60 billion yuan (8.82 billion U.S. dollars) will mature this week, sharply down from 166 billion yuan (24.42 billion U.S. dollars) last week.