LumiMax provides technical services and solve major problems in the nuclear and thermal power generation industrial site through researching control technology, power electronics, and applied technology' using microprocessors.

The main products are high power semiconductor tester, DC ground fault detector, and detect system.

Major customers are companies using high electric power such as KEPCO, KEPCO KPS, Korea Hydro & Nuclear Power, KORAIL, Seoul Metro, POSCO, and Hyundai Steel.