Lead by Dr. Wen J Whan, the company was established in 1980 in Denver, USA as a geophysical company (GeoPacific Resources, Inc.) developing Electromagnetic instruments and tools for oil and geothermal searching. In 1988, 3JTech was established in Taiwan and started IT design & manufacture IT products in 1996. From 2010, 3JTech start developing new exploration systems for natural resources: Onshore Exploration System (MTSeis Array), Seabed logger (μVEL) and Marine Controlled Source EM for direct Hydrocarbon Detection (VEL). From 2017, 3JTech has identified and started developing several geothermal blocks in Taiwan.