Founded in 1921, KOYO is a research and development-based integrated functional products manufacturing Japanese company with 6,557 employees, Koyo Seiko Co., Ltd. is a world-wide integrated bearing products manufacturer with a long history and culture, ranking third in Japan. They enjoy a high reputation among customers around the world for their quality and friendship.

Koyo Seiko Corporation is one of the four largest bearing production groups in Japan, with the world's most advanced production and control equipment, in Japan has eight main production plants in Tokyo, Nara, Yoneda, Toyohashi, Takamatsu, Tokushima and Kameyama, (all ISO9001 certification), overseas across Europe, Asia, North and South America several production bases and research institutions, in We have 8 factories and 28 sales points in Japan and 9 production plants and 24 sales points abroad.

KOYO's leading products include: rolling bearings, deep groove ball bearings, high precision bearings, spherical bearings, housing bearings, flat ball bearings, short cylindrical roller bearings, linear guide bearings, ball screw bearings, micro small linear guide bearings, cross roller guide bearings, reciprocating rotary bush bearings, ball slide bearings, cam follower bearings.

Japan Koyo Seiko Co., Ltd. produces tens of thousands of high precision, high quality KOYO bearings series products, providing aerospace technology, computer components, motors, high-speed trains, metro trains, industrial machinery, CNC lathes, high-precision machining machines, steam, locomotive industry, steel industry... We have a wide range of KOYO bearings for aerospace technology, computer components, motors, high-speed trains, metro trains, industrial machinery, CNC lathes, high-precision machining machines, automobile and locomotive industries, steel industry...