How about China Coal Tashan?

The coal mine is not bad.

Tashan Coal Mine is a large coal mine with a large scale, covering an area of ??more than 1,000 square kilometers. It is one of China's major coal production bases. The mining area mainly mines coking coal and coal chemical raw material coal. It has rich coal resources and an annual output of more than 5 million tons. In addition, Tashan Coal Mine adopts modern mine mining technology, and mine mining uses mechanized equipment, such as fully mechanized mining machines, coal trucks, etc., which improves coal mining efficiency and miners' safety.