SDJ to revise upward 2019 coal production plan Saturday, July 20 2019 - 03:01PM WIB By Thomas Sembiring South Kalimantan coal mining firm PT Sungai Danau Jaya SDJ a subsidiary of ... Log in to read the story Login Related News & Products Indonesian Nickel Book 2022 Opinion: Sumatera coal industry update and future prospect Indonesia Coal Industry Map 2023 RMKO aims to triple net profit this year MEMR approves TBBE’s RKAB for 3 years Indonesian Nickel Report Issue 48 Aceh coal firm secures production quota totaling 2.2 million tons Indonesian Coal Report Issue 51