In the morning of August 20, 2018, Dr. Radostin Danev, a renowned cryo-EM technologist from Tokyo University of Japan (Bulgarian) and Yi-Lynn Liang, a young structural biologist from Monash University of Australia (Malaysian) visited the Chinese National Compound Library (CNCL). They made broad and in-depth discussions with Professor Ming-Wei Wang (Director, the National Center for Drug Screening/Chinese National Compound Library and Dean, School of Pharmacy, Fudan University), Beili Wu (Professor), Qiang Zhao (Professor), Dehua Yang (Professor), Shuo Han (Postdoctoral Fellow) and Saifei Lei  (Postdoctoral Fellow) from Shanghai Institute of Materia Medica, Chinese Academy of Sciences, surrounding the hot topics in structural and functional studies on G-protein coupled receptors. Graduate students Anna Qiao and Elita Yuliantie from University of Chinese Academy of Sciences, Rulue Chang from Fudan School of Pharmacy and Lijun Shao from ShanghaiTech University participated in the interaction. Accompanied by Dr. Ming-Wei Wang, the honorable guests toured the CNCL facility after the discussion.