China’s state-run utility and coal mining firm Shenhua Guoneng Group has built a large new coal mine in northeast China’s Heilongjiang province. The mine, located in Baoqing county of Shuangyashan city, cost a total of CNY 3.656 billion ($523 million) to build and has proven brown coal reserve of more than 800 million metric tons (mt).

The mine has an annual production capacity of 11 million mt.