Cheng Zhensheng (1992.09 - 1996.04)

Yin Songling (1996.05 - 1998.08)

Gong Liefu (1998.08 - 2001.02)

Gao Yusheng (2001.03 - 2003.08)

Lu Guicheng (2003.09 -2008.09)

Wu Hongbin (2008.09-　  )