Their total profits stood at 8.4 trillion yuan in this period, down 4 percent from a year earlier, the NBS data revealed.

China's raw coal output posted stable expansion in December 2022, official data showed.

This year, Inner Mongolia will also step up the clean and efficient use of coal, Wang said.

Last year, Shanxi provided 620 million tonnes of thermal coal for another 24 provincial-level regions in China, according to the provincial statistics bureau.

The daily crude steel output stood at 1.93 million tonnes in early January, according to the China Iron and Steel Association.

Building such terminals is also to fulfill its commitment to carbon reduction and carbon neutrality, said Chu Bin, Party chief of the Tianjin Port Group.

Exports would recover slowly because of the global economic downturn, according to the newspaper.

The commission is a statutory authority formed in 2020 to curb the growing air pollution in the National Capital Region and adjoining areas.