BUMA secures mining contract extension from AJE Thursday, June 30 2022 - 04:21PM WIB By Lambok Dominikus PT Bukit Makmur Mandiri Utama BUMA a subsidiary of IDX-listed coal mining contractor ... Log in to read the story Login Related News & Products MEMR approves TBBE’s RKAB for 3 years Indonesian Nickel Report Issue 48 Indonesian Nickel Book 2022 RMKO aims to triple net profit this year Indonesia Coal Industry Map 2023 RMK Energy targets 48.9% increase in coal sales this year Indonesian Coal Report Issue 51 Opinion: Sumatera coal industry update and future prospect