2007.01-2007.12 Xi, director of the disc ring processing plant of an aero-engine (group) co., ltd;

2007.12-2008.10 Xi, director of the production department of an aero-engine (group) co., ltd;

2008.10-201kloc-0/1director of the production department of Xi 'an Aviation Power Co., Ltd.;

20 10. 1 1 Deputy General Manager of Xi 'an Aviation Power Co., Ltd. ..