A cargo ship is guided by a tug boat at Jingtang port area of Tangshan Port, north China's Hebei Province, June 17, 2019. The throughput of Tangshan Port reached 265 million tons from January to May this year with a year-on-year growth of 7.08 percent. (Xinhua/Yang Shiyao)

　　Containers are loaded onto trucks at Jingtang port area of Tangshan Port, north China's Hebei Province, June 17, 2019. The throughput of Tangshan Port reached 265 million tons from January to May this year with a year-on-year growth of 7.08 percent. (Xinhua/Yang Shiyao)