PT. Putra Muba Coal is a national company engaged in the coal mining industry and has been meeting coal needs for various local industries and international markets since 2008. PT. Putra Muba Coal uses an open pit mining system using a combination of excavators and dump trucks. In 2022 based on the RKAB (Work Plan and Budget) which has been approved by the Ministry of ESDM, PT. Putra Muba Coal …