Accompanied by Ms. Amy Chen, Customer Service Manager of TOPSCIENCE Co., Ltd. (Shanghai) and her colleagues, Mr. Sergey Bugrov, Executive Director of ChemDiv, Inc. (USA), visited the Chinese National Compound Library (CNCL) in the morning of December 5, 2011. Ms. Vivian Duan, Head of Operations, received the visitors and briefly introduced the development, culture and prospect of the library. The guests were impressed by this state-of-the-art research facility and expressed their sincere wishes to forge collaborations with CNCL.