Daido Steel Co., Ltd. engages in the manufacture and sale of steel products in Japan and internationally. The Specialty Steel segment is involved in automotive parts, industrial machinery parts, electrical machinery parts, construction, and tool steel business; and products and materials manufacturing, distribution, raw materials sales, transportation and logistics business. The High Performance Materials and Magnetic Materials segment offers stainless steel products, nickel-based alloys, electrical and electronics parts, magnetic material products, alloy powders, titanium products, and welding wires. The Parts For Automobile and Industrial Equipment segment provides die forgings, precise hot forgings, and welded parts, including automotive parts and bearing races; open die forgings parts for boats and ships, industrial machines, heavy electric machines, steel making equipment, chemical equipment, oil drilling rigs, and spacecraft and aircraft; and castings comprising manganese railway rails, components for automobiles, industrial machines, electric machines and furnaces, cast steel products, etc. This segment also offers precision castings for automotive, industrial machines, electric machines, telecommunications equipment, etc.; and lumber industry band saws, engine valves, compressors, hydraulic equipment, and machine tool parts. The Engineering segment provides steel making equipment; industrial furnaces and facilities; environmental equipment for drainage, exhaust, waste disposal, and treatment facilities; machine tools; and machine maintenance services. The Trading and Service segment engages in the provision of welfare services; real estate and insurance business; and golf course management and analysis businesses. Daido Steel Co., Ltd. was founded in 1916 and is headquartered in Nagoya, Japan.