(Yicai Global) May 22 -- China's central bank today continued to inject liquidity into the money market through open market operations.

The People's Bank of China (PBOC) conducted CNY20 billion yuan (USD2.9 billion) of seven-day reverse repos at an interest rate of 2.55 percent. No reverse repo is due today.

The PBOC said in a statement that today's operation is aimed at offsetting the impact of factors such as tax payment season.