Duta Tambang’s Q1 coal output exceeds target Friday, April 3 2020 - 06:02PM WIB F. Hary Kristiono (Photographer : Dasir) By Thomas Sembiring North Kalimantan coal mining firm PT Duta Tambang Rekayasa produced tons of coal ... Log in to read the story Login Related News & Products PEFINDO has assigned its idAA rating to PT Dian Swastatika Sentosa Tbk Free Transcoal reports stronger performance in 2023 Opinion: Coal financing against a net zero world Indonesian Nickel Book 2022 Indonesia Coal Industry Map 2023 Indonesian Coal Report Issue 51 Indonesian Nickel Report Issue 48 Resource Alam aims for higher coal production this year