Dec. 1977-April 1982 Gu Xiaobo
June 1982-May 1985 Huang Shixie
July 1985-March 1989 Zhang Zhen
Jan. 1990-March 1993 Zhang Deliang
March 1993-Nov. 1995 Wang Shijie
Dec. 1995-July 1999 Liu Baolai
Aug. 1999-Aug. 2001 Qiu Shengyun
Sept. 2001-Sept. 2003 Chen Yonglong
Oct. 2003- Aug.2006 Luo Xingwu
Sept.2006-  Gong Xiaosheng