Ms. Xie Juanjuan is a Professor in international economics and the tutor of PhD Students in School of Economics of Nankai University in China. Her researches focus on the effect of international trade policy, exports of multi-product enterprises with technology innovation, and international trade practice. Recently she studied some issues of digital trade and enterprise digitization. Consistently an active researcher in international economics, Professor Xie is often in touch with some national enterprises to do some case studies on digital techniques empowering manufacturing enterprises and logistics enterprises. She has also some achievements on issues of cross-border data flow and the effect of digital infrastructure on trade as the collaborative researcher at the APEC Study Center, Multinational Corporation Study Center, and Center for Interdisciplinary Research in the Digital Economy.