Garda Tujuh suffers first-half loss on lower sales, higher costs Thursday, September 12 2019 - 08:34PM WIB IDX-listed coal firm PT Garda Tujuh Buana Tbk GTBO saw coal production in the first half ... Log in to read the story Login Related News & Products Indonesian Nickel Report Issue 48 Indonesian Nickel Book 2022 Transcoal reports stronger performance in 2023 PEFINDO has assigned its idAA rating to PT Dian Swastatika Sentosa Tbk Free Indonesian Coal Report Issue 51 Resource Alam aims for higher coal production this year Indonesia Coal Industry Map 2023 Opinion: Coal financing against a net zero world