Datong is not a port city. This is a transport hub inside China, from where routes go north: through Mongolia to the Russian border and further along the Trans-Siberian Railway. Shanxi Province is one of China's largest manufacturing centers in industrial goods: metalworking, equipment, chemicals, and building materials.
FESCO traditionally operates through the Far Eastern seaports: Vladivostok, lines from Shanghai, Ningbo, and the Port of Dalian. The agreement with Huayuan opens up another segment — cargo from the central provinces of China, which is far and expensive to reach the coast.
For shippers from Shanxi Province, this potentially means a direct overland exit via FESCO to Russia without mandatory transshipment at coastal terminals. For Russian importers who purchase industrial goods from domestic Chinese manufacturers, this is an additional route option with reduced logistical leverage.
Practice will show how quickly the agreement will turn into a real cargo flow. Such agreements in logistics require time for debugging: coordination of schedules, tariff conditions, customs procedures on Mongolian transit. But the direction is clear: FESCO is expanding its presence in China beyond the coastal strip.