BEIJING, April 28 (Xinhua) -- Senior Communist Party of China (CPC) leader Liu Yunshan attended a graduation ceremony at the Party School of the CPC Central Committee on Thursday.

Liu, president of the school and a member of the Standing Committee of the Political Bureau of the CPC Central Committee, presented diplomas to 554 graduates of the 2016 spring semester.

The graduates agreed that their studies had expanded their viewpoints, enriched their knowledge and boosted their abilities to observe, research and solve problems, and that they have consolidated their loyalty to the Party and their sense of clean governance and responsibility, according to a statement released after the ceremony.?