Nippon Chutetsukan KK manufactures and markets iron pipes and caps. It operates through the Ductile Cast Iron, and Resin Pipe and Gas related segments. The Ductile Cast Iron segment manufactures and sells ductile cast iron pipes for water supply, deformed pipes for water supply, FEM iron lids for water supply and sewerage, water supply accessory parts, water supply facility construction business, and engineering business. The Resin Pipe and Gas related segment manufacture and sale of ductile cast iron pipe for gas, deformed pipe for gas, FEM iron lid for gas, accessory parts for gas, polyethylene pipe, resin concrete products, storage and transportation of gas piping materials, collecting, transporting, transshipping and storing industrial waste, and selling used irons. The company was founded on October 15, 1937 and is headquartered in Kuki, Japan.