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 Indonesian Nickel Report Issue 48 HUMI acquires two units of tug boats Indonesia Coal Industry Map 2023 Moody's Ratings affirms Adaro Indonesia's Ba1 ratings; outlook remains stable Free BEL secures new coal supply contract Indika completes pricing, purchase agreement for $350m notes Indonesian Nickel Book 2022 Indonesian Coal Report Issue 51