From November 8th to November 10th, the first China Surveying and Mapping Geographic Information Technology and Beidou Application Expo concluded successfully at the Zhejiang Deqing International Exhibition Center. This expo is co-sponsored by the China Society of Surveying and Mapping, the China Geographic Information Industry Association, and the China Satellite Navigation and Positioning Association. It has an exhibition area of 20,000 square meters and brings together 148 exhibitors, including the main forum, 38 sub-forums, and a technology and industrial development salon. , "Surveying and Mapping Geographic Information + Beidou" Night and China Surveying and Mapping Geographic Information Technology and Beidou Application Expo and many other activities were unprecedented in scale, attracting tens of thousands of participants.