UnisonHKR Co., Ltd. has developed core technology and the best quality in plant and construction business becoming the unquestionable leader of the industry. The plant division covers piping support, expansion joint and damper businesses based on the technology accumulated as the industry-leading company, supplies its products to many domestic power plants as well as piping lines of top-class plants overseas. Construction Business Unit is responsible for construction, technology development and production of seismic isolation, seismic bearings and vibration control devices which support bridges or buildings and increase safety against earthquakes and wind loads. It also produces other construction materials such as bridge expansion joints, soundproof walls, composite sheet piles, and has established business divisions for materials supply, monorail construction and special business.