... manufacturing company in JP. KOYO bearings (Koyo Seiko Co., Ltd.) was founded in 1921, is a function of ... groups in order to have the world's top production and control equipment, in Japan, the ... Koyo Seiko Co., Ltd. is a Koyo has a long history and culture in Japan, ranking third in the ... the quality of friendship. Japan's Koyo Seiko Co., Ltd. to operate the project, including bearings, automotive ...