Dr. Yvan Guindon, Director, Bio-Organic Chemistry Laboratory, Institut de Recherches Cliniques de Montréal (Canada) visited the Chinese National Compound Library (CNCL) in the afternoon of October 22, 2012. He was accompanied by Professor Ao Zhang of Shanghai Institute of Materia Medica, Chinese Academy of Sciences. Dr. Ming-Wei Wang briefly introduced the history and development plan of the library. Dr. Guindon was impressed by this world class facility and its cultural environment, and hopes to promote bilateral exchange and collaboration.