Chinese Vice Premier Li Keqiang has said his country is willing to buy about 6 billion euros ($7.9 billion) of Spain's public debt, Spanish newspaper El Pais reported on Thursday, citing government sources. Li said at a meeting that China was willing to buy as much Spanish public debt as its Greek and Portuguese debt holdings combined, the sources told El Pais. They said that added up to about 6 billion euros in Spanish government bonds. The Spanish government declined to comment on the report. China has been increasing its holdings of European government debt, including that issued by Spain, vice commerce minister Gao Hucheng was quoted separately as saying on Thursday.