Containers are transported by trucks at the Pacific international container terminal of Tianjin Port in north China's Tianjin, April 11, 2023. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Xinhua/Zhao Zishuo)

This aerial photo taken on April 6, 2023 shows a container ship at the smart zero-carbon terminal of Tianjin Port in north China's Tianjin. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Photo by Han Xilong/Xinhua)

This aerial photo taken on April 7, 2023 shows a container ship sailing at Tianjin Port in north China's Tianjin. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Photo by Han Xilong/Xinhua)

This aerial photo taken on April 10, 2023 shows cars waiting to be loaded to the ships at Tianjin Port in north China's Tianjin. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Photo by Xia Desong/Xinhua)

Containers are transported by trucks at the Pacific international container terminal of Tianjin Port in north China's Tianjin, April 11, 2023. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Xinhua/Zhao Zishuo)

This aerial photo taken on April 6, 2023 shows a container ship at the smart zero-carbon terminal of Tianjin Port in north China's Tianjin. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Photo by Han Xilong/Xinhua)

This photo taken on Jan. 1, 2023 shows a container ship at Tianjin Port in north China's Tianjin. North China's Tianjin Port handled approximately 5.047 million twenty-foot equivalent units (TEUs) of containers in the first three months of 2023, up 9.09 percent year on year. (Xinhua/Zhao Zishuo)