Nippon Hume Coporation 

Nippon Hume Corporation designs, manufactures, and sells concrete secondary products in Japan and internationally. The company offers pipeline products, such as hume tubes and synthetic steel pipes, box and arch culverts, assembly manholes, precast joint grooves, wellman products, jip pipes, propulsion pipes, optical fiber compatible products, and antibacterial concrete products; concrete piles; RC segments and FN fittings; and PC and composite wells, and press casts and PRC hollow piers. It also provides multi-arch divided systems, precast guard fences, EMC wall rails, and wall railings; and valve boxes, precast retarding basins, and eco concrete products, as well as optical fiber cables. Further, the company is involved in the construction contracting, and civil engineering and telecommunications works; sale of concrete products and big agents; sports business; manufacture, sale, design, and equipment construction of deplant deodorization system; maintenance of buildings; manufacture and sale of formwork for concrete products; real estate business; laying business; and pipeline diagnosis business. The company was founded in 1925 and is headquartered in Tokyo, Japan.