Daqin Railway's (SHA:601006) freight volume jumped 18% year over year to 38.9 million tons in May, according to a Tuesday disclosure to the Shanghai bourse.
Average daily freight volume reached about 1.3 million tons during the month.
The rail company ran an average of 88.4 loaded trains in May.
An average of 63.5 trains with a capacity of 20,000 tons per day also operated during the month.