1972.09- 1976.0 1

1976.0 1- 1983.03

1983.03- 1984.04

1984.05- 1988.07

1988.08- 1994. 10

1994. 1 1- 1995. 12

1996.0 1- 1999.04

1999.05-200 1.09

200 1. 10-2004.03

2004.04-2006. 12

2006. 12-2007.0 1

2007.0 1 Up to now, private teacher of junior high school affiliated to Song Wan, Pingshan Commune, Huidong County;

Department of Electric Power, South China University of Technology, majoring in electrical appliances;

Technician and assistant engineer of Dongguan Electric Machinery Factory;

Deputy Director, Institute of Electrical Machinery, Dongguan Electric Machinery Factory;

Deputy Director and Director of Dongguan City (county) Economic Committee;

Deputy General Manager of Dongguan Machinery Industry Corporation, General Manager and Engineer of Zhongxing Preservation Equipment Co., Ltd.;

Director and Party Secretary of Dongguan Economic Commission;

Deputy Mayor of Dongguan Municipal People's Government and Director of the Municipal Economic Commission, Party Secretary and Chairman of the Municipal Association for Science and Technology;

Deputy Mayor of Dongguan Municipal People's Government, member of the Party Group, director of the Municipal Economic Commission and secretary of the Party Committee;

Deputy Mayor and Party Member of Dongguan Municipal People's Government;

Deputy Mayor of Dongguan Municipal People's Government, member and director of Humen Port Management Committee (during this period: from September 2004 to July 2006, he studied for a master's degree in business administration at the School of Business Administration of South China University of Technology);

Deputy Mayor of Dongguan Municipal People's Government, Director of Humen Port Management Committee, and Secretary of the Party Committee of Dongguan University of Technology (during this period: September 20, 200610, 12, 2006, studying for a doctoral degree at the School of Automation, Northwestern Polytechnical University);

Secretary of the Party Committee of Dongguan University of Technology.