Who We Are Mandiri Coal
PT Mandiri Intiperkasa, a coal mining company, was established in 1989. 1994. In 1994, PT Mandiri Intiperkasa obtained a coal mining license for an area of 50,000 Ha in North Kalimantan. The license is a Coal Contract of Work No.08PKPTBA-MI1994. 2004. After many revisions of the concession area, the company began coal production in 2004.