In October 2015, Chang Guang Satellite achieved a significant milestone with the successful launch of the inaugural group of four Jilin-1 satellites, marking a pivotal moment in China's commercial aerospace industry and heralding a new epoch. Today, 117 Jilin-1 satellites orbit the Earth, constituting the world's largest sub-meter commercial remote sensing constellation and fostering a comprehensive, high-precision spatio-temporal information network spanning the globe.