pt bukit raya coal mining
PT Bukit Makmur Mandiri Utama | PT Bukit Makmur Mandiri Utama，，。 . Since our establishment in 1998, BUMA a wide range of coal mining services to . 3rd floor Central Business District (CBD) Jalan Pluit Selatan Raya No.pt bukit raya coal mining,PT Bukit Asam | Company ProfileThe coal minning in Tanjung Enim was initiated by the dutch colonial goverment in 1919 by operating the first coal mine using open pit mining method in Air Laya. Using underground mining method, initial operation . Indonesia Raya.PT Bukit Asam | HomeCoal Business . President Director of PT Bukit Asam (Persero) Tbk Awarded Best CEO of Executor in Anugerah BUMN Award . Indonesia Raya . Post-Mining.