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

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

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

By the end of June, China's installed capacity for renewable energy had exceeded 1.1 billion kilowatts.

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

Major steel producers churned out a total of 20.79 million tonnes of crude steel in late July, the data showed.

According to the administration, China saw 190 mining accidents in the January-July period, down 14 percent year on year.

China's State Administration for Market Regulation has conducted investigations on activities of bidding up coal prices, the administration said Friday.