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 (2012.01-2016.05)
Wei Jinghua (2016.06-2019)
Guo Min (2019-)