Attendees applaud during China's State Top Scientific and Technological Award ceremony at the Great Hall of the People in Beijing, capital of China, on January 11, 2010. [Xinhua]

Two scientists from the Chinese Academy of Sciences received China's annual top science honor Monday for their outstanding contributions to scientific and technological innovation.

Gu Chaohao, a mathematician, and space scientist Sun Jiadong won China's 2009 State Top Scientific and Technological Award, China's highest science honor.

The two scientists were each awarded 5 million yuan (US$732,300). Chinese President Hu Jintao presented the certificates to the scientists at the Great Hall of the People in downtown Beijing.