Daido Kogyo Co., Ltd. manufactures and sells various chains, rims/wheels, conveyor systems, and welfare equipment under the D.I.D brand name in Japan and internationally. It offers motorcycle products, including drive chains and aluminum rims; timing chains used in motorcycle engines to transmit the rotation; spokes, wheels, and other parts; handle pipes; and farm vehicle and ATV wheels, as well as tensioners, sprockets, and levers/guides. The company also provides industrial machinery chains, such as transmission chains, transport chains, and conveyor chains used in various fields, including transportation, chemistry, construction equipment, and agricultural equipment; powder and bulk, environmental, and steelmaking conveyor systems used in steelmaking fields and rolling equipment; and vacuum conveyor products. In addition, it offers chairlift for stairs; wheelchair stair lifts; and stair-assist handrails. Daido Kogyo Co., Ltd. was formerly known as Daido Chain Co.,Ltd. and changed its name to Daido Kogyo Co., Ltd. in December 1938. The company was incorporated in 1933 and is headquartered in Kaga, Japan. As of January 1, 2026, Daido Kogyo Co., Ltd. operates as a subsidiary of Tsubakimoto Chain Co.
