On the afternoon of June 5, 2019, Liu Xianxing, member of the Standing Committee of the Party Committee and Vice-Principal, Lu Yang, president of the Academy of Science and Technology, Li Shengwei, director of the Laboratory and Equipment Management office, and Hou Yabin, deputy director and others visited our institute to carry out special research on the Key Laboratory of Digital Geography Technology of the Ministry of Education for the Middle and Lower Yellow River Regions.