CK estimates higher 1Q OB removal volume, coal output Friday, April 9 2021 - 04:27PM WIB By Tri Subhki R PT Cipta Kridatama CK a coal mining contractor and subsidiary of IDX-listed ... Log in to read the story Login Related News & Products RMKO aims to triple net profit this year MEMR approves TBBE’s RKAB for 3 years Indonesian Coal Report Issue 51 Indonesian Nickel Book 2022 Indonesian Nickel Report Issue 48 Opinion: Sumatera coal industry update and future prospect Indonesia Coal Industry Map 2023 RMK Energy targets 48.9% increase in coal sales this year