1982.02—— 1984.09 Technician in Thermal Workshop of Kinetic Energy Company of Tractor No.1 Factory.
1984.09—— 1986.06 Director of Thermal Workshop of Kinetic Energy Company of Tractor No.1 Factory.
1986.06—— 1994.04 Deputy Manager of Kinetic Energy Company of No.1 Tractor Factory.
1994.04—— 1996.04 deputy chief engineer of China Yi Tuo construction machinery company.
1996.04—— Assistant to the General Manager of China Yi Tuo Construction Machinery Company.
1997.04——2000.07 Deputy General Manager and Executive Deputy General Manager of China Yi Tuo Group Co., Ltd. concurrently served as the general manager of the joint-stock company.
2000.07—2002.0 1 General Manager of China Yi Tuo Group Co., Ltd., Deputy Secretary and General Manager of the Party Committee of China No.1 Tractor Construction Machinery Group.
2002.0 1——2004.02 Chairman of China Yi Tuo Group Co., Ltd., Chairman and Party Secretary of China No.1 Tractor Construction Machinery Group.
2004.02—2004.04 Deputy Secretary and Acting Mayor of Anyang Municipal Committee of the Communist Party of China
2004.04—2008.03 Deputy Secretary and Mayor of Anyang Municipal Committee of the Communist Party of China
2008.03—2009.03 Party Secretary and Director of bureau of henan province
2009.03 —— 2010.12.25 Party Secretary and Director of Henan Provincial Department of Transportation
20 10 12.25, Dong Yongan was "double-regulated"; 20 10 10 On February 30th, the Standing Committee of Anyang Municipal People's Congress dismissed Dong Yongan's qualification as a "deputy to the National People's Congress".
Xinhua News Agency, Beijing, April 22 (Reporter Bai Ying) On the 22nd, the 20th meeting of the 11th the National People's Congress Standing Committee (NPCSC) voted to pass a report on the qualifications of individual delegates. In accordance with the relevant provisions of the Representative Law, Dong Yongan was disqualified as a representative of the National People's Congress.