Wooribyul, as an outstanding communication equipment manufacturer, started as a wireline communication equipment manufacturer and developed optical fiber communication equipment and high-speed data communication equipment with its own technology to supply major telecommunication companies such as Korea Telecom, Powercomm and Dreamline with small, middle-class and high-capacity optical fiber communication equipment, network equipment and high-speed customer premises equipment, etc. Based on broad technological capability and concentration on strategic business, we developed and supply military communication equipments such as speed-conversion equipment, node controller and strategic data equipment, etc. with exclusive rights through the experience from Spider project and C4I project and so on. Additionally, we have been supplying the commanding line of the Army with 51M/155M/622M/2.5G Class optical-fiber communication equipment continually. With the accumulated technology and experience through the development of military communication equipment year by year, we developed and commercialized civilian satellite terminal equipment as well as military terminal equipment for ground, submersible and network controller to secure continual and stable sales growth. For fire communication network business, we developed comprehensive fire communication network system, integrated 119 command-receiving system and integrated wireless control system, etc. with original technology, being selected as a comprehensive fire communication network builder led by communication bureau, Also, we`re actively expanding equipment supply and network-building, targeting nationwide fire station headquarter and local fire stations. Concentrating core capacity aggressively on wire and wireless converged communication business actively realized as a high-speed communication business along with solar-power business, we`re definitely creating concrete profit model through securing new technology, research & developing new products and pioneering new market as well as trying to be a top leading company in converged communication area.