PTBA, INKA sign MOU to develop electric-based mining vehicle Wednesday, December 8 2021 - 03:44PM WIB By Romel S Gurky State-controlled coal miner PT Bukit Asam Tbk PTBA signed on Tuesday an ... Log in to read the story Login Related News & Products GEMS secures coal sales deals with GMR Holding Mifa Bersaudara records lower coal output in 1Q Indonesian Nickel Book 2022 Indonesia Coal Industry Map 2023 Adaro's coal barging contract with MBSS set to conclude in September Indonesian Coal Report Issue 51 Adaro Minerals plans higher capex for 2024 Indonesian Nickel Report Issue 48