He used to be the chief, member, assistant and deputy director of the Political Security Section of Jing 'an Branch of the Municipal Public Security Bureau, secretary and director of the Party Committee of the Public Transport Branch of the Municipal Public Security Bureau, deputy secretary, acting chief, secretary and chief of the Party Committee of the Public Security Corps of the Municipal Public Security Bureau (in the meantime, he served as assistant to the head of Huangpu District), deputy head of Changning District, secretary and director of the Party Committee of Changning Branch of the Municipal Public Security Bureau, deputy head of Huangpu District and member of the Party Committee of Huangpu Branch.