Tsubakimoto Chain Co. engages in the manufacture and sale of industrial-use chains, motion control units, and other power transmission products. It operates through the following business segments: Chains, Power Transmission Units and Components, Automotive Parts, Materials Handling Systems, and Others. The Chains segment markets drive chains and conveyor chains for the machine tool, steel, and food industries. The Power Transmission Units and Components segment deals with the sale of reducers, locking devices, shaft couplings, and cam clutches for the machine tool, automotive, and steel industries. The Automotive Parts segment develops timing drive systems such as chain and belt drives. The Materials Handling Systems segment distributes conveyance and bulk handling systems for the machine tools industry. The Others segment offers services, including building maintenance and insurance agency business. The company was founded by Setsuzo Tsubakimoto in December 1917 and is headquartered in Osaka, Japan.