China's coal industry reports steady growth in 2019.

As an important area of "new infrastructure", Industrial Internet comes in a new round of intensive deployment.

China's coal output up 1.3 pct in Jan.-April.

Steel enterprises should control the production and sales rhythm according to the demand.

It is estimated investment scale of the new infrastructure will reach about 3 trillion yuan in 2020: report.

Exporters urged to adjust to global demands.

Decline in air pollutants the flip side of outbreak, ministry says.

Institutional advantages can help break bottlenecks in key industries.