1August 1989-1February 1993 successively served as assistant and deputy section chief of Zhang Cun Coal Mine Enterprise Management Section of Lu 'an Mining Bureau;
1February 1993-1March 1994, director of Zhengzhou office of Zhang Cun Coal Mine of Lu 'an Mining Bureau and manager of Kaiyuan Company;
1March, 1994-1February, 1994 served as deputy mine manager of Zhang Cun Coal Mine of Lu 'an Mining Bureau;
1994 65438+February-1996 65438+1October served as deputy mine manager and chief engineer of Zhang Cun Coal Mine of Lu 'an Mining Bureau;
1996 10-1998 served as deputy director of the general office of Lu' an Mining Bureau in February (presided over the work);
1February, 1998-April, 2006, served as member of the Party Committee of Lu 'an Mining Group Company and mine manager of Wangzhuang Coal Mine;
April 20, 2006165438+June, served as deputy general manager of Lu' an mining group company;
2011June-2011September served as the standing Committee member and general manager of the Party Committee of Lu 'an Mining Group Company;
2011September-so far, he has served as vice chairman, general manager and standing Committee member of the Party Committee of Datong Coal Mine Group Corporation.