Compared with wet quenching, Mi said the new technique has economic and environmental benefits.

As a large coal supply base, Xinjiang aims to achieve coal output of more than 400 million tons by 2025.

The scale of the industrial internet industry has exceeded 1 trillion yuan.

But to cut pollution, China has reduced steel production, leading to the closure of many plants.

Steel, magnesium and its products, and coal are among the major exported commodities.

In terms of improvement in rankings, China's Ansteel Group Corp made the highest jump across 183 places to 217.

BMW and HBIS will also jointly carry out research and development of carbon capture.

China is a large consumer of iron ore.