Chuo Seisakusho, Ltd. engages in the manufacture and sale of electrical equipment. Its operations are carried out through the following segments: Power Supply Equipment, Surface Treatment Device, Electric Welding Machine, and Others. The Power Supply Equipment segment includes various alternate current and direct current power supplies. The Surface Treatment Device segment manufactures and sells fully automatic surface treatment equipment used in carriers and elevators. The Electric Welding Machine segment deals with the generic-type electric resistance and multi-spot welding processes. The Others segment includes testing equipment and measuring instruments. The company was founded on April 27, 1936 and is headquartered in Nagoya, Japan.