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

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

Global production of molybdenum fell, while usage rose in Q1 2022

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

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.

Rio Tinto is not concerned about China's plans to centralise iron-ore purchases and has strong ties with its customers, the Australia CEO for the global miner said on Friday.

US carmaker Tesla has signed contracts worth about $5-billion to buy materials for their batteries from nickel processing companies in Indonesia, a senior cabinet minister told CNBC Indonesia.