A technician is busy at a factory in the Luyang Economic Development Zone, in Hefei, capital of East China's Anhui Province, on September 10, 2024. The factory is developing precision quick-return mirrors for aerospace laser communications. Since the beginning of this year, the economic zone, together with some key universities in Hefei such as the University of Science and Technology of China and Hefei University of Technology, has seized opportunities to build industrial clusters around intelligent sensors. Photo: VCG