A large group of attendees to "the Round Table on Translational Systems Medicine -   Advancing tomorrow's medicine", organized by Shanghai Advanced Research Institute, Chinese Academy of Sciences, visited the Chinese National Compound Library (CNCL) in the afternoon May 8, 2012. They received a warm reception by Professor Ming-Wei Wang who briefly introduced the current status of this state key  research establishment. Among the visitors were Professor Robert B. Diasio  (Director of Mayo Clinic Cancer Center), Professor Thomas D. Brown (COO of Arizona Cancer Center), Drs. Peggy L. Porter and Cassian Yee (members of Fred Hutchinson Cancer Research Center), Dr. Yiwu He (Deputy Director of Bill & Melinda Gates Foundation), Ms. Cindy Hao (Contributing Correspondent of Science). The guests were deeply impressed by the first-class research infrastructure and rich cultural environment of CNCL.