(250720) -- BEIJING, July 20, 2025 (Xinhua) -- Volunteers attend a group birthday celebration at the third China International Supply Chain Expo (CISCE) in Beijing, capital of China, July 19, 2025. Volunteers from universities like Central University of Finance and Economics, Beijing Foreign Studies University, Minzu University of China, and Beijing International Studies University are involved in the third CISCE, which scheduled from July 16 to 20. (Xinhua/Chen Shuo)