Ma Shuxue (1997.07-2001.06)


Wu Changsheng (2001.07-2003.06)


Jiao Dongcun (2003.08-2004.11)

Li Yuanming (2005.01-2008.03)


Hu Dingxian (2008.03-2011.03)


Hu Shan (2011.05-)