Through the construction of various social infrastructures which require a technology at a comprehensive level and the key facilities in national development, Hwasung has been contributing to the balanced development of national territory based upon experience and knowledge in the public works business accumulated over a long period of time. Over many years, we have carried out various construction projects on roads, land development, subway, bridges, and tunnels including the Daegu Expressway, Ulleungdo Coastal Road, and Jeju Is. Seongsanpo Tourism Complex Road among others. We have been expanding our competence in public works technology by carrying out projects on turn-key bases such as the construction of the Namji Bridge using the latest Incremental Launching Method, the Bokhyeon Overpass using the long span beams, the Daegu Subway using the non-vibration and anti-noise construction methods, etc.