PT. Wahana Matra Sejati

Services that we have done for PT.  Wahana Matra Sejati are:   Geological Services Site Survey of  Coal Deposits  at  Sebulu  Area, Kutai   Kartanegara District, East  Kalimantan.  PT.  Geoservices (Ltd.)  for  PT.  Wahana Matra Sejati. Site Survey  of Coal Deposits at Kotabangun Area, Kutai Kartanegara District, East Kalimantan, for PT. Wahana Matra Sejati. Coal  Exploration  […]