? From Heilongjiang, it is possible to quickly reach Siberia, which is tens of thousands of kilometers away from the Moscow-Petersburg metropolitan area. Bulk cargo planes cannot transport them; they can only cross Siberia by rail. However, shipments from Shenzhen and Shanghai can use 10,000-ton giant ships to pass through the Strait of Malacca, the Suez Canal, and the Strait of Gibraltar to reach western ports in Russia, which is not that far.