The company first purchased its coal holdings in 2010 and 2012 from Canadian-based Coalcorp Mining and Vale, respectively, subsequently creating CNR to oversee operations. The mine owner recently sold off its power plant holdings as well as its aluminum storage division, and had also been a magnet for other problems including protests, tightened environmental regulations and issues with the Federal Reserve. While it will be out of raw material production, GSG plans to continue trading raw materials and related financial instruments, according to Reuters.