We are a General Contractors Company and Specialists in Underground Water Drilling Services and Exploration Drilling of Coal and Minerals located in BSD, South Tangerang.General Contractor, Mechanical-Electrical, Maintenance, Technical Supply, Drilling Services for Mining: Coal. Gold, Iron Ore, Rent of Geophysical Logging, Topography, Mapping, Manufacture Jacro Drilling Rig, Drillbit, Corebit, Corebarrel, etc.