The delegation, headed by NSFC Vice President Zhu Daoben, paid a visit to Belgium and Poland from May 11 to 19. In Belgium, Prof. Zhu and his delegation held a meeting with Prof. Dr. Maurice Pensaert, Secretary General, and Dr. Benno Hinnekint, Director, Flanders Foundation for Scientific Research (FWO). During the talk, both sides exchanged information about the latest development of the two organizations and their international activities, gave a review on bilateral cooperation and reached the consensus of signing the bilateral agreement on scientific cooperation. The delegation also visited the well-known Interuniversity Micro Electronics Center (IMEC) and University of Leuven. During his stay in Poland, Prof. Zhu met with Prof. Maciej W. Grabski, President of the Foundation for Polish Science. On the basis of intensive discussion, both sides reached the agreement on establishing formal relationship and signing the memorandum of understanding on cooperation between the two organizations. Prof. Zhu also visited the Institute of Molecular Physics of the Academy of Poland.