1992-1995

Attaché, Department of International Organizations and Conferences, Ministry of Foreign Affairs (MFA) of the People's Republic of China

1995-1997

Attaché and Third Secretary, Permanent Mission of the People's Republic of China to the United Nations Office at Geneva and Other International Organizations in Switzerland.

1997-2004

Third Secretary, Deputy Director, and Director, Department of Arms Control, MFA

2004-2006

Counselor, Permanent Mission of the People's Republic of China to the United Nations

2006-2012

Counselor and Deputy Diretor-General,, Department of Arms Control, MFA

2012-2015

Minister Counselor, Mission of the People's Republic of China to the European Union

2015-2018

Minister, Embassy of the People's Republic of China to the Republic of South Africa

2018-2019

Minister, Department of International Organizations and Conferences, MFA

2019-

Ambassador Extraordinary and Plenipotentiary for Disarmament Affairs, and Deputy Permanent Representative of the People's Republic of China to the United Nations Office at Geneva and Other International Organizations in Switzerland.