1989.07━ 1993.04 cadre of plan management section of Deyang post office
1993.04- 1996.08 cadre of planning and construction department of Sichuan post and telecommunications administration
1996.08—2000.08 Chief, Planning Section, Planning and Construction Department, Sichuan Post and Telecommunications Administration
2000.08-200 1.06 Director of Network Management Department of Sichuan Communication Administration (during this period: 1999.02-200 1.06, majoring in business administration, obtained a master's degree in business administration)
200 1.06—2002.09 Deputy Director of Network Management Department of Sichuan Communication Administration (presiding)
2002.09-2005.09 Director of Network Management Department of Sichuan Communications Administration (during this period: graduated from September 2003 to July 2005 with a major in civil and commercial law)
2005.09-2009.06 Director of Sichuan Communications Administration Office and Director of Personnel Department
June, 2009 —— Deputy Inspector of Sichuan Communications Administration and Director of Personnel Department (during this period: 20 13.05, he was appointed as the deputy mayor of Mianyang Municipal People's Government for 2 years).