China's railways handled 122 million tonnes of coal for power generation in October, up 25 percent from the same period last year and up 21 percent from September.

Nation ramps up efforts to curb coal consumption

Long-term coal stability in focus

Coal and iron pile up in South Africa on rail constraints

The NDRC warned it would take a "zero" tolerance approach and crack down on illegal activities like spreading false information and price gouging in the market.

Dust suppression measures have also been adopted to protect the environment during transportation.

Efforts to cut emissions and boost utilization efficiency in major coal-consuming industries should also be enhanced, he said.

China's top banking and insurance regulator has released a circular on strengthening financial support for coal and electricity production and maintaining order in the commodity market.