Jin Guihua (concurrently) (1992.07-1993.12)


Liu Xinsheng (1993.12-1998.03)


Wang Jianli (1998.04-2000.05)


Qun Wenming (2000.05-2002.12)


Wei Wei (2002.12-2005.01)


Yang Yanyi (2005.01-2007.02)


Tong Xiaoling (2007.03-    )