Tsubakimoto Chain Co. is a Japanese manufacturer of power transmission and roller chain products. It was founded in Osaka in 1917 as a bicycle chain manufacturer. Later it became the first roller chain manufacturer in Japan approved by Japanese Industrial Standards.
Tsubakimoto Chain has the world's largest market share for steel chains for general industrial applications and enjoys the world's top market share for timing drive systems for automobiles. The company is headquartered in Osaka, with its main manufacturing base in Kyotanabe, Kyoto.
Roller chain and sprockets, toothed belts and pulleys, hose and cable carrier systems, shaft coupling/locking, reducer/variable speed drives, motion control/clutch, overload protectors, linear actuators, automotive timing belt systems, conveyance, sorting, and storage systems, bulk handling systems, metalworking chips handling and coolant processing systems.
In 2000, Tsubaki completed work on its new, larger Kyotanabe Plant to meet its increasing production levels. With nearly 100,000 m2 of building floor space, the plant is the world's largest chain manufacturing facility.
According to en.wikipedia