The Institute has collaboration relationships of joint research and academic exchange with over 60 scientific institutions and universities from more than 20 countries, like United States of America, Canada, Japan, Germany, France, Norway, Switzerland, Austria, Italy, England, Australia, Argentina, Russia, Kazakhstan, Nepal and so on. More than 1000 scientists have joined in the bilateral academic exchanges. The Institute has sponsored 5 international conferences in the recent years. Through these widespread co-operations and academic exchanges, the academic position of the Institute has been greatly strengthened and improved in the international academic circles. Professors Cheng Guodong (Member of Chinese Academy of Sciences), Zhu Zhenda, Xie Zichu and Qin Dahe have been or are the Chairmen or Vice Presidents of the international scientific organizations.