Perennial Energy is an investment holding company primarily engaged in the exploration, mining, and refining of coking coal in the People's Republic of China. The company operates three underground coal mines in Panzhou City, Guizhou Province, producing clean coal, raw coal, middling coal, sludge coal, and coalbed methane gas. It was incorporated in 2017 and is headquartered in Liupanshui, Guizhou Province, China.