Darma Henwa delivers higher OB removal volume Friday, October 16 2020 - 03:40PM WIB IDX-listed coal mining contractor PT Darma Henwa Tbk said that overburden OB removal volume in the ... Log in to read the story Login Related News & Products FIRE coal output misses target due to weather ABM acquires three coal mines Indonesian Nickel Report Issue 48 Kalimantan Coal Map 2024 DVK Resources to supply 1 MTPA of coal to Vietnam Indonesian Coal Report Issue 51 SUMATRA COAL MAP GEMS reports lower revenue, higher profit