People visit the exhibition booth of NIO at Hannover Messe 2025 in Hannover, Germany, on April 1, 2025. Held under the theme "energizing a sustainable industry," the five-day event has drawn more than 3,800 exhibitors from around 60 countries and regions. Chinese companies make up a significant portion of participants, with around 1,000 exhibitors, making China the second-largest exhibitor group after host country Germany.  (Xinhua/Du Zheyu)