Nippon Chuzo K.K. supplies large, special, and steel castings for construction in Japan. It also provides steel materials, cast iron, new casting technologies, formed and fabricated materials, and engineering services related to bearings and expansion joints. In addition, the company offers construction materials such as NC base plates, building and structure products, and a range of bearings, expansion joints, damper units, and construction hardware. It was founded in 1920 and is headquartered in Kawasaki, Japan.