Tsubakimoto Chain Co. is a Japanese manufacturer and the world's largest producer of industrial steel chains. Founded in 1917, Tsubaki has earned a global reputation for manufacturing the highest quality roller chains, engineering class chains, and power transmission products. Their products set the standard for precision, durability, and reliability in demanding applications from automotive assembly lines to mining conveyors. Tsubaki also manufactures sprockets, cam clutches, power cylinders, and complete material handling systems.