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

Hydrogen can only be generated by consuming primary energy such as coal, natural gas and renewable energy.

They also said the industry will likely experience demand recovery to a certain extent in the coming months.

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

An executive of the company said such a practice has multiple benefits in both economic and environmental terms.

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

Hasan said that the exported steel would be used to establish a hospital in New Zealand.

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