China's Ministry of Finance (MOF) announced Friday a new batch of long-term book-entry treasury bonds worthy of 26 billion yuan (4.22 billion U.S. dollars). The bonds, with a term of 50 years, will be sold at an annual yield of 4.67 percent, said the ministry in a statement. According to the statement, the bonds will be sold for three days from May 26,2014, and become tradable on May 30, with interest to be paid every half year.