In the afternoon of May 17, 2016, Professor Huaqiang Xu (Director of the CAS Key Laboratory of Receptor Structure and Function), his associate Dr. Yi Jiang and Ph.D. student from Shanghai Institute of Materia Medica, Chinese Academy of Sciences (CAS) paid a visit to the Chinese National Compound Library (CNCL). They discussed the main goals and implementation plan of a new round of collaboration with Dr. Ming-Wei Wang, Dr. Dehua Yang and Mr. Antao Dai relative to structural determination of some G protein-coupled receptors. A common understanding was arrived as a result of this meeting.