NTN company was founded in Japan in 1918 headquartered in Osaka City West, in Japan there 11 house Manufacturing, 25 3 sales offices and research institutes; in foreign wholly-owned manufacturing plants with 20, 2 institute and 48 sales offices. NTN production, marketing, technology pioneering efforts in various sectors and deepen their professional fields, while organically combined with each other. NTN-world integrated manufacturer of precision machinery . NTN precision processing technology and unique proprietary technology is based on long-term development of the accumulation of bearings developed, now widely used in the production for use in all areas of precision machinery. It is constantly creating new value NTN the development of new signs.