buaa has established cooperation with 152 universities and research institutions from 40 countries, including canada, uk, france, germany, russia, the united states, and sri lanka. 122 scholars have been invited as honorary professors to beihang university. every year, an average of about 1000 foreign experts and scholars come to buaa to give lectures, to visit, and to take part in international conferences, and discussions for scientific cooperation. every year over 600 buaa faculties go abroad to give lectures, participate in academic conferences and conduct cooperative scientific research.