Koyo was founded in 1921. It owns 6557 employees, 8 factories, 28 places of sale offices in Japan, 9 manufacturers, and 24 sale offices abroad.

KOYO SEIKO is one of the four biggest bearing producers in Japan. It has factories in Tokyo , Nara , Toyohashi , Takamatsu , Tokushima which are all recognized by ISO9001, and have research centers across Europe, Asia, and Africa.

KOYO provides various kinds of delicate and qualified bearing for science and technology , computer component , motor , high speed train , express train , estate are mechanical , the CNC lathe , high-accuracy process machine , vapor , locomotive industry , steel industry, and it is the best choice.