Ilsung Eng. is a manufacturer of premium quality water and electrical supply switchgear devices, and it has exclusively focused on its chosen business field since the company's establishment in 1988. With constant research and development and extension and improvement of the facilities, the company has developed 25.8kV gas insulating indoor ASS and highly efficient new-concept gas-insulating complex-type switchboard. The company also produces various types of switchboard protection devices and gas insulation switchgear devices.

The company is dedicated to make a great contribution to the further development of the national electricity industry as it further invests to improve its products' quality and develop new technologies.