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(240424) -- HANNOVER, April 24, 2024 (Xinhua) -- A staff member of Hangzhou Yushu Technology Co., Ltd. (1st R) demonstrates a robotic dog at Hannover Messe 2024 in Hannover, Germany, April 22, 2024. The exhibition, focused on "energizing a sustainable industry," runs until Friday and attracted almost 4,000 exhibitors from around 60 countries and regions. Among them, Chinese exhibitors accounted for 30 percent of participants, second only to the host Germany, according to the organizer. (Xinhua/Ren Pengfei) (KEYSTONE/XINHUA/Ren Pengfei)