Borneo ramps up coal production Wednesday, May 29 2019 - 01:02AM WIB IDX-listed coal firm PT Borneo Olah Sarana Sukses Tbk has started to ramp up production in ... Log in to read the story Login Related News & Products Opinion: Sumatera coal industry update and future prospect Indonesian Nickel Report Issue 48 Indonesian Coal Report Issue 51 Indonesian Nickel Book 2022 Indonesia Coal Industry Map 2023 MEMR approves TBBE’s RKAB for 3 years RMK Energy targets 48.9% increase in coal sales this year RMKO aims to triple net profit this year