Drone scanning geological terrain with ULF electromagnetic waves penetrating underground and forming a 3D ore body model

Light Up Deep Earth

10x Faster, 10x Deeper Subsurface Intelligence

Hi-Arc's patented ULF-EM technology reveals what lies beneath with unmatched clarity, transforming exploration for minerals, energy, and environmental safety.

Pioneering Subsurface Exploration Since 2001

Hi-Arc Technologies, in strategic partnership with Universe Resources Technology (URT/NTU), is revolutionizing how we discover and manage Earth's resources. Our award-winning ULF-EM technology combined with AI analytics provides unprecedented clarity of what lies beneath— from mineral deposits to geothermal reservoirs and underground risks.

  • Patented Technology
  • Academic Excellence: Born from National Taiwan University research
  • Global Recognition: Gold Medal, Shanghai International Invention Exhibition
  • Proven Track Record: 18+ countries across 5 continents
Mineral exploration icon

Mineral Exploration

Pinpoint high-grade mineralization with 1cm resolution at 1,500m depth

Gold, REE, Iron Ore, Base Metals

Energy resources icon

Energy Resources

Map geothermal reservoirs and natural gas deposits

Temperature gradient mapping
Reservoir volume estimation
Drill-site optimization

AI analytics icon

AI-Powered Analytics

Transform raw data into strategic intelligence

3D volumetric modeling
Resource estimation
Priority target ranking

Urban and environmental detection icon pipeline detection icon

Urban & Environmental

Detect underground risks before they become emergencies

UXO & landmine detection
Tunnel mapping
Pipeline & cavity detection
Soil liquefaction assessment

The Science Behind Our Success

Our patented ULF-EM system uses natural electromagnetic waves to create detailed 3D maps of the subsurface.

ULF-EM Scanning

ULF-EM Scanning

>1,500m penetration with 1cm resolution

AI Neural Networks

AI Neural Networks

Multi-parametric inversion for accurate interpretation

Multi-Platform

Multi-Platform Deployment

UAV, vehicle, and hand-held systems

Real-time Processing

Real-time Processing

Instant data visualization and analysis

Global Success Stories

Australia Gold Fields

Australia – Victoria Gold Fields


4.5 Moz Gold mapped at 400–900m depth using our advanced subsurface scanning.

Pahang Gold Fields

Malaysia – Pahang Gold Fields


2.71 Moz Gold identified with 85% accuracy, optimizing drilling operations.

Wanjin Geothermal

Taiwan – Wanjin Geothermal


150°C reservoir mapped for power generation, supporting renewable energy growth.