BEIJING, Dec. 8 (Xinhua) -- China's Ministry of Finance said here Wednesday that it will sell a batch of 30-year long-term book-entry treasury bonds this week at a yield of 4.23 percent.

The bonds, with a total face value of 28 billion yuan (about 4.2 billion U.S. dollars), will be sold over five days starting Thursday, said the ministry in a statement on its website.

The bonds are the 40th batch of the kind to be sold by the ministry this year, and will be the fifth batch of 30-year T-bonds the ministry has sold this year.

The bonds will become tradable on Dec. 15 through the national inter-bank bond market and over the counter at designated commercial banks. Interest will be paid every half year.