200 1-2007 Permanent Representative of China to the United Nations Office and other Swiss international organizations
1997-200 1 Director, Arms Control Department, Ministry of Foreign Affairs of China
1995- 1997 Deputy Permanent Representative of China to the United Nations and other Swiss international organizations and Ambassador for Disarmament Affairs of China.
1992- 1995 Counsellor and Deputy Director of the International Department of the Ministry of Foreign Affairs of China.
1988- 1992 First Secretary and Counsellor of the Permanent Mission of China to the United Nations 1985- 1988 Third Secretary, Deputy Director and First Secretary of the International Department of the Ministry of Foreign Affairs of China.
1980- 1985 Attaché and Third Secretary of the Embassy of China in India.
1974- 1980 Member of the Embassy of China in Sri Lanka.
197 1- 1974 members of the Chinese embassy in Britain.
1970, graduated from the English Department of Nanjing University and joined the Ministry of Foreign Affairs.