This photo taken on June 22, 2026 shows a scene of the opening ceremony of the Fourth China International Supply Chain Expo in Beijing, capital of China. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Wu Qinghao)

People visit the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Wu Qinghao)

Media staff work during the opening ceremony of the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Wu Qinghao)

Visitors communicate at the booth of Syngenta Group China at the exhibition area of Green Agriculture during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Yudong)

Foreign visitors visit the booth of China Railway Rolling Stock Corporation (CRRC) during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

People visit the Intel's booth at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

A staff member showcases a modular AI companion robot at TCL's booth during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Yudong)

People visit the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Photo by Lin Qiujin/Xinhua)

People visit the exhibition area of Smart Vehicle during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Xie Han)

A man takes photos outside the venue of the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

People visit the exhibition area of Clean Energy during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

This photo taken on June 22, 2026 shows the venue of the Fourth China International Supply Chain Expo in Beijing, capital of China. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

A staff member introduces their products at Medtronic's booth at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Photo by Lin Qiujin/Xinhua)

Visitors watch robots fighting at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Zhang Chenlin)

A visitor tries a pair of AI glasses during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Xie Han)

A staff member demonstrates an electromagnetic net catcher at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Shao Zedong)

Visitors take photos of an intelligent robot at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Shao Zedong)

A staff member demonstrates an intelligent robot at the exhibition area of Digital Technology during the Fourth China International Supply Chain Expo in Beijing, capital of China, June 22, 2026. Themed on "Connecting the World for a Shared Future," the expo opened in Beijing on Monday. (Xinhua/Shao Zedong)

编辑：呼乐乐