From November 28 to December 2, 2017, at the invitation of Washington University in St. Louis, University of Southern California and University of California, Los Angeles, Xu Lan, Director of the Office of International Cooperation and Exchange, Song Jingbo, Deputy Director of the Academy Office, Lv Yong, Deputy Director of the Office of International Cooperation and Exchange, and Xiao Baoxing, Assistant to Dean of the Graduate School went to the United States for a short visit.
