1987-1988

Staff Member, Ministry of Foreign Affairs (MFA)

1988-1991

Staff Member, Attaché, Department of International Organizations and Conferences, MFA

1991-1994 

Attaché, Third Secretary, Chinese Embassy in Indonesia

1994-2001

Third Secretary, Deputy Director, Director, Department of International Organizations and Conferences, MFA

2001-2007 

Counsellor, Permanent Mission to the United Nations Office at Geneva and other International Organizations in Switzerland

2007-2011

Special Assistant to the United Nations Under-Secretary-General for Economic and Social Affairs

2012-2017 

Counsellor, Deputy Director-General, Department of International Economic Affairs, MFA

2011-2017

China Senior Official to the Asia-Pacific Economic Cooperation)

2017-2020

Ambassador Extraordinary and Plenipotentiary of the People's Republic of China to the Federal Democratic Republic of Ethiopia