Information reveals that the land contains mineral deposits.
An application for mining business permit was initiated through Mining Exploration Authorization No. 2249 in 2008, which was sub sequently upgraded two years later to Mining Business License for Production Operation (IUP OP) No. 1321 in 2010.
Production activities commenced at the end of 2010, with the first sales occurring at the end of 2011 totaling approximately 550,000 metric tons.