经济观察：长春崛起为中国商业航天产业新高地

Group 1 - The 2025 Air Force Aviation Open Day and Changchun Aviation Expo showcased advancements in satellite technology and its applications, positioning Changchun as a significant player in China's commercial aerospace development [1] - The commercial aerospace company Jitianxingzhou has developed a "non-orbit single-pass curve imaging technology," allowing satellites to capture images along arbitrary curve paths, significantly improving efficiency compared to traditional methods [3] - Changguang Satellite demonstrated the "Jilin-1" wide-field 02B series satellite, which can provide high-resolution images with a coverage width of 150 kilometers and a resolution of 0.5 meters, enabling comprehensive coverage of China within half a month [3] Group 2 - Changchun has established a complete ecosystem for the commercial aerospace industry, with hundreds of related enterprises and the capability to produce 200 satellites annually [5] - The integration of satellite remote sensing, drones, and ground sensor data in urban governance is exemplified by the "Starry Sky and Ground Integrated Monitoring System," which provides near-real-time decision support for urban planning [3] - The competition in commercial aerospace is shifting towards manufacturing efficiency and cost control, alongside technological innovation [5]