(250927) -- MIANYANG, Sept. 27, 2025 (Xinhua) -- People visit the 13th China (Mianyang) Science and Technology City International High-Tech Expo in Mianyang, southwest China's Sichuan Province, Sept. 27, 2025. The expo opened here on Friday and will last until Sept. 30, with a core exhibition area of 32,000 square meters for science and technology which focuses on electronic manufacturing technology, new display technology, AI technology and low-altitude economy. (Xinhua/Xue Chen)