On December 8, seven 5,000-ton heavy-duty freight trains were automatically dismantled and entered the station in an orderly manner at the southern section of Wanshuiquan South Station of Baoshen Railway Group in Baotou City, Inner Mongolia, and successfully tested the world's first 35,000-ton heavy-duty group train.

On December 8, seven 5,000-ton heavy-duty freight trains were automatically dismantled and entered the station in an orderly manner at the southern section of Wanshuiquan South Station of Baoshen Railway Group in Baotou City, Inner Mongolia, and successfully tested the world's first 35,000-ton heavy-duty group train.