NTN is one of the world's precision machinery manufacturers, the company was founded in 1918 in Japan, headquartered in Osaka City, the west, in Japan, there are 11 production companies, 25 business and 3 research institutes; in foreign countries have 20 wholly-owned production plants, 48 research institutes and 2 business. NTN production, sales, technology and various departments to develop and deepen their own professional field, but also to combine with each other. Current chairman Suzuki Yasunobu.