Xiaomi has unveiled a fully automated “dark factory” in Changping, Beijing — a cutting-edge facility that operates 24/7 without production workers. Powered by AI and robotics, it assembles one smartphone every second, with a total annual capacity of up to 10 million devices. The factory runs in complete darkness, requiring only minimal maintenance staff. AI systems oversee the entire production line in real time, making adjustments on the fly, while a fully automated system keeps the environment