I don't think your example shows that, and the article disagrees with you:
"The value of freight between Europe and Yiwu, a much-touted overland rail hub near Shanghai, came to 2.27 billion yuan ($330 million) in the first four months of this year [snip] China’s top four ports alone process about the same value of cargo every three hours."
"The value of freight between Europe and Yiwu, a much-touted overland rail hub near Shanghai, came to 2.27 billion yuan ($330 million) in the first four months of this year [snip] China’s top four ports alone process about the same value of cargo every three hours."
Also see this graph from the article: https://www.bloomberg.com/toaster/v2/charts/e6c45ea06db24277...