1 980.12-1983.07 Management Administrator of Liangtou Commune, Jinghai County, Tianjin 1983.07- 1988.08 Director of Cadre Group of Organization Department of Jinghai County Committee1988.08-/kloc 999.05-200 1. 12 Party Secretary, Director and General Manager of Tianjin Jinghai Development Zone Management Committee 2001.12-2003.01Party Secretary and Director of Tianjin Jinghai District City Appearance and Environmental Sanitation Bureau 2003.0/. 65448 Mayor of Municipal People's Government 2008.06-2008. 12 Secretary of CPC Dunhuang Municipal Committee and Mayor of Municipal People's Government 2008. 12-2009.05 Secretary of CPC Dunhuang Municipal Committee 2009.2010/0 Standing Committee of CPC Jiuquan Municipal Committee The CPC Jiuquan Municipal Committee decided to remove Sun Yulong from his post as secretary, standing committee member and member of the CPC Dunhuang Municipal Committee. 20 1 1.9, member of the party group and deputy director of the Environmental Protection Department of Gansu Province.