This photo taken on Nov. 27, 2024 shows the model of CR400BF-Z Fuxing smart bullet train at the booth of China Railway Rolling Stock Corporation (CRRC) in the Advanced Manufacturing Chain exhibition area of the second China International Supply Chain Expo in Beijing, capital of China. Themed "Connecting the World for a Shared Future," the expo, hosted by the China Council for the Promotion of International Trade, kicked off in Beijing on Tuesday. (Xinhua/Na Yuqi)