From April 22 to 26, a delegation led by Vice President Prof. Dang Zhi visited the University of California at Los Angeles (UCLA), the University of California at San Diego (UCSD) and the California Institute of Technology (Caltech); from May 8 to 11, a delegation led by Vice President Prof. Qiu Xueqing visited the University of Missouri, the University of California at Riverside (UCR) and the University of California at Santa Barbara (UCSB) to explore possibilities ofh cooperation.