Coal mines in China to close after heat-trapping material discovered

China’s central government has approved the closure of six coal mines, including two in Inner Mongolia, after finding heat-treating material that can trigger the production of coal.

The move comes after the discovery of a layer of thermal material that could be used as a heat-absorbing coating on coal mining equipment, the People’s Daily said on Tuesday.

The coal mine in the province of Jilin, which is the second largest in the country, has been shut for two years due to a heat trap that can trap steam, the report said.

It was previously shut for nearly two years, but the company found it was leaking coal during testing.

The government has also been testing a third mine, in Xinjiang, that was discovered last month and has been closed for a month, the newspaper said.