Container trucks loaded with coal wait to leave the Gashuun Sukhait border port in Mongolia, March 23, 2020. (Xinhua)

Bilateral trade between Mongolia and China amounted to 7.4 billion U.S. dollars last year.

China has maintained its position as Mongolia's biggest trading partner in 2020, according to data released by Mongolia's National Statistics Office on Wednesday.

Bilateral trade between Mongolia and China amounted to 7.4 billion U.S. dollars last year, accounting for 57.5 percent of Mongolia's total foreign trade.

In addition, China remained Mongolia's top export destination and import supplier in 2020, accounting for 72.5 percent and 36.1 percent, respectively.

Mongolia traded with 146 economies across the world in 2020.