1April 1992-1March 1997, served as deputy mine manager and member of the party Committee of Dujinwan Coal Mine of Datong Mining Bureau;
1March, 1997-1August, 1998, served as Party Secretary and Deputy Mine Manager of Yanya Coal Mine of Datong Mining Bureau;
1August, 998-June, 2003165438+1October served as the mine manager and party secretary of Silaogou Coal Mine of Datong Mining Bureau;
165438+2003 10 to July 2005, served as deputy general manager of Datong Coal Industry Co., Ltd., mine manager and party secretary of Silaogou Coal Mine;
From July 2005 to June 2007, he served as vice chairman and general manager of Datong Coal Industry Co., Ltd.;
From June 2007 to May 2009, he served as deputy general manager of Datong Coal Mine Group Corporation and vice chairman and general manager of Xuangang Coal and Electricity Company;
From May to 20, 200910, he served as the director and deputy general manager of Datong Coal Mine Group Corporation and the chairman of Xuangang Coal and Electricity Company;
2065 438+00-2065 438+00, served as director and executive deputy general manager of Datong Coal Mine Group Corporation (presiding over the manager's work);
April 2065438+00-September 2065438 +065438 served as vice chairman, general manager and standing Committee member of the Party Committee of Datong Coal Mine Group Corporation;
20 1 1 September-up to now, he has served as the chairman and party secretary of Datong Coal Mine Group Corporation;
2065438+2002 65438+ 10 month-now concurrently the chairman of Datong Coal Industry Co., Ltd.;
From 2065438+03-April to now, he has concurrently served as Party Secretary of Zhangze Electric Power Co., Ltd.;