China's energy resource endowment is dominated by coal, which accounts for about 57% of primary energy consumption. Since the beginning of winter, the main coal producing areas and key coal mining enterprises have made every effort to ensure production, effectively ensuring the safe and stable supply of energy and ensuring the warmth of the masses for the winter. On the premise of ensuring safety, tap potential and increase production, accelerate the high-quality production capacity, and continue to improve the level of coal supply.

In 2021, the output of industrial raw coal above designated size was 4.07 billion tons, an increase of 4.7% over the previous year. At the same time, the intelligent construction of coal mine has made positive progress. At present, nearly 400 coal mines in China are carrying out intelligent construction, with a total investment of more than 100 billion yuan, and about 47 billion yuan has been completed; 687 intelligent mining plate have been built.