Delta Dunia delivers higher OB removal, coal getting volume Wednesday, October 23 2019 - 03:48PM WIB IDX-listed coal mining contractor PT Delta Dunia Makmur Tbk saw overburden OB removal volume in the ... Log in to read the story Login Related News & Products MEMR approves TBBE’s RKAB for 3 years Indonesian Coal Report Issue 51 RMK Energy targets 48.9% increase in coal sales this year Indonesian Nickel Report Issue 48 Opinion: Sumatera coal industry update and future prospect Indonesian Nickel Book 2022 Indonesia Coal Industry Map 2023 RMKO aims to triple net profit this year