Delta Dunia’s OB removal volume down in H1, to ramp up in H2 Friday, July 30 2021 - 05:31PM WIB IDX-listed coal mining contractor PT Delta Dunia Makmur Tbk saw lower overburden OB removal volume in ... Log in to read the story Login Related News & Products Opinion: Challenges amidst the increase in coal production targets Opinion: Coal financing against a net zero world Indonesian Nickel Report Issue 48 Indonesian Nickel Book 2022 Indonesian Coal Report Issue 51 Indonesia Coal Industry Map 2023 Resource Alam aims for higher coal production this year PEFINDO has assigned its idAA rating to PT Dian Swastatika Sentosa Tbk Free