He has served as a member of Xiyuan Police Station of Qilihe Branch of Lanzhou Public Security Bureau, deputy head of anti-drug brigade of Qilihe Branch, chief of network security supervision department of Qilihe Branch, deputy director of prison management department of Lanzhou Public Security Bureau, secretary and director of Party Committee of Honggu Branch of Lanzhou Public Security Bureau, and chief of public security police corps of Gansu Provincial Public Security Department.

From 2065438 to June 2003, he served as a member of the Party Committee of Gansu Provincial Public Security Bureau, a member of the Party Committee of Lanzhou Municipal Government, the director of Lanzhou Public Security Bureau and the secretary of the Party Committee.

20 14 1 Member and Deputy Director of the Party Committee of Gansu Provincial Public Security Bureau, Secretary and Director of the Party Committee of Lanzhou Public Security Bureau.

2065438+Deputy Secretary of the Party Committee of the Provincial Public Security Department in September 2005.