An intermodal express train loaded with containers of e-commerce goods departs from Xi'an international port station in Xi'an, northwest China's Shaanxi Province, March 26, 2024. The intermodal express train X387 bound for Urumqi in northwest China's Xinjiang left Xi'an on Tuesday, marking the official operation of regular freight train service for e-commerce goods between the two cities. (Xinhua/Li Yibo)

An intermodal express train loaded with containers of e-commerce goods departs from Xi'an international port station in Xi'an, northwest China's Shaanxi Province, March 26, 2024. The intermodal express train X387 bound for Urumqi in northwest China's Xinjiang left Xi'an on Tuesday, marking the official operation of regular freight train service for e-commerce goods between the two cities. (Xinhua/Li Yibo)

An intermodal express train loaded with containers of e-commerce goods waits for departure at Xi'an international port station in Xi'an, northwest China's Shaanxi Province, March 26, 2024. The intermodal express train X387 bound for Urumqi in northwest China's Xinjiang left Xi'an on Tuesday, marking the official operation of regular freight train service for e-commerce goods between the two cities. (Xinhua/Li Yibo)

An intermodal express train loaded with containers of e-commerce goods waits for departure at Xi'an international port station in Xi'an, northwest China's Shaanxi Province, March 26, 2024. The intermodal express train X387 bound for Urumqi in northwest China's Xinjiang left Xi'an on Tuesday, marking the official operation of regular freight train service for e-commerce goods between the two cities. (Xinhua/Li Yibo)

An intermodal express train loaded with containers of e-commerce goods departs from Xi'an international port station in Xi'an, northwest China's Shaanxi Province, March 26, 2024. The intermodal express train X387 bound for Urumqi in northwest China's Xinjiang left Xi'an on Tuesday, marking the official operation of regular freight train service for e-commerce goods between the two cities. (Xinhua/Li Yibo)