(250401) -- HEFEI, April 1, 2025 (Xinhua) -- Technicians work in a lab at HeCheng Biotechnology Co., Ltd. in Feixi County of Hefei, east China's Anhui Province, March 31, 2025. In recent years, Feixi County has fostered the cluster development of emerging industries including new energy and intelligent connected vehicles, integrated circuits, advanced photovoltaic and energy storage, biomedicine, low-altitude economy, etc. to inject momentum into the county's high-quality economic development. (Photo by Xu Yong/Xinhua)