Xia Shuyuan (1993.02-1995.07)

Lei Yincheng (1995.08-1998.08)

Zhang Guoqiang (1998.09-2002.02)

Zhang Xiyun (2002.03-2005.10)

Zhang Haizhou (2005.12-2009.03)

Zhang Yannian (2009.03-2011.12)

Hong Jiuyin (2012.01-)