Ombilin Energi to ramp up coal production in Q4 Thursday, September 9 2021 - 06:17PM WIB By Adianto P Simamora South Sumatra coal miner PT Ombilin Energi is expected to ramp up ... Log in to read the story Login Related News & Products Indonesian Nickel Report Issue 48 Adaro's coal barging contract with MBSS set to conclude in September Indonesian Coal Report Issue 51 Indonesian Nickel Book 2022 Adaro Minerals plans higher capex for 2024 GEMS secures coal sales deals with GMR Holding Indonesia Coal Industry Map 2023 Mifa Bersaudara records lower coal output in 1Q