On May 31, 2007 (April 15, 2007, the National Bureau of Corruption Prevention approved the establishment. The press conference and unveiling ceremony for the establishment of the National Bureau of Corruption Prevention were held at the Ministry of Supervision on May 31, 2007. Zhang Huixin, Deputy Secretary of the Central Commission for Discipline Inspection, attended the unveiling ceremony and delivered a speech on behalf of the Central Commission for Discipline Inspection, Wu Guanzheng and He Yong, congratulating the establishment of the National Bureau of Corruption Prevention. Ma Xin, Deputy Secretary of the Central Commission for Discipline Inspection, Minister of Supervision, and Director of the National Bureau of Corruption Prevention, attended the press conference and delivered a speech; Qu Wanxiang, Vice Minister of the Ministry of Supervision and Deputy Director of the National Bureau of Corruption Prevention, introduced the brief process, responsibilities and organizational structure of the National Bureau of Corruption Prevention from preparation to establishment at the press conference.