... in 1921, is a function of product R & D-integrated manufacturing company in JP. KOYO bearings (Koyo Seiko Co., Ltd.) was founded ... in 1921, is a function of product R & D-integrated manufacturing company in Japan, with 6557 employees. Japan's Koyo Seiko Co ... and electronic controllers and so on. In recent years, the company's substantial increase in overseas production capacity of automobile steering ...