Dr. Gang Ren (Staff Scientist of Lawrence Berkeley National Laboratory, U.S.A.) and four of his associates visited the Chinese National Compound Library (CNCL) in the afternoon of August 29, 2017. They were warmly greeted by Professor Ming-Wei Wang (Director of the National Center for Drug Screening/Chinese National Compound Library and Dean of School of Pharmacy, Fudan University) and Associated Professor Dehua Yang (Shanghai Institute of Materia Medica, Chinese Academy of Sciences). Dr. Ren delivered an invited lecture entitled “Individual-particle electron tomography (IPET): an approach for 3D structure of a single protein”. The honorable guests were deeply impressed by the advanced level of this state-run R&D facility and hope to establish personnel exchange and research collaboration.