Tik Tok。 According to the related information of Professor Hatsune Hatsune, Professor Hatsune Hatsune is broadcasting live on the Tik Tok platform. Chu Yin (1977) was born in Changchun, Jilin. Ph.D., Renmin University, China, former professor of Public Administration Department, School of International Relations (resigned). He is an exchange researcher at the Free University of Brussels, Belgium, and a visiting scholar at the Interregional Integration Research Center of the European University of Belgium.