A bridge to the future for people.
Since its establishment over 60 years ago, our company has contributed to the development of the national land and local communities in Japan, focusing primarily on bridge construction. In the future, we will not only engage in new construction projects but also strive to enhance measures for the longevity of bridges, strengthen maintenance and repair technologies, and develop new technologies and methods, all while working towards creating PC structures that meet societal needs. 【Business Activities】 ■ Design and construction of prestressed concrete bridges, including expressway bridges, general road bridges, railway bridges, pedestrian bridges, bicycle bridges, aqueduct bridges, and grade-separated bridges, as well as bridge girder manufacturing. ■ Design and construction of offices, warehouses, factories, gymnasiums, baseball stadium stands, swimming pools, observation decks, etc., using prestressed concrete methods, as well as manufacturing floor slabs, side slabs, and roof panels. ■ Design and construction of rock sheds, snow sheds, rock arms, and snow shelters. ■ Design and construction of prestressed concrete reservoirs (tanks), farm ponds, box culverts, and fire water tanks. ■ Maintenance and repair work for bridges, as well as manufacturing concrete secondary products such as sleepers, track slabs, PC slabs, and sheet piles. *For more details, please contact us or download the catalog.
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Our company was established in April 1952, focusing on the uniqueness of prestressed concrete (PC) introduced from France at that time. As a pioneer of PC technology in our country, we have contributed to national land development and the advancement of local communities for over 60 years, primarily through bridge construction. Moving forward, we are committed not only to new construction projects but also to enhancing measures for the longevity of bridges, strengthening maintenance and repair technologies, and developing new technologies and methods, all in efforts to create PC structures that meet societal needs.