July 1993 to August 1994: employees of Yantai Wuhuan Company;

August 1994 to August 1998: changchun university of science and technology Institute of Mechanical and Electrical Engineering, teaching assistant; 1999 065438+ 10 to 20065438+0 65438+February: changchun university of science and technology Institute of Mechanical and Electrical Engineering, lecturer; 065438+2002 10 to 65438+February 2004: Associate Professor, Director of Mechanical Design Teaching and Research Section and Director of Industrial Design Department of changchun university of science and technology Institute of Mechanical and Electrical Engineering; May 2004 to June 2005: Data Transmission Unit, postdoctoral research; 0 1, from 2005 to June 2006: Professor, changchun university of science and technology Institute of Mechanical and Electrical Engineering; June 2006 to July 2008: Professor and Vice President of changchun university of science and technology Institute of Mechanical and Electrical Engineering; July 2008-present: Professor, Doctoral Supervisor and Vice President of changchun university of science and technology Institute of Mechanical and Electrical Engineering.