Seiko Co., Ltd. (NSK LTD.) Founded in 1916, is designed and manufactured in Japan's first manufacturer of bearings. Production of ball bearings for the first time in Japan. Since then, NSK has developed a series of bearings, sold around the world, has greatly promoted the development of the industry and the advancement of technology.

The company used its expertise in precision machinery, after years of improvement, while also undertaking manufacturing automotive products, precision machinery and parts, mechatronic products. Since 1960 NSK has been actively developing overseas markets. In the 25 countries currently has overseas sales and manufacturing operations in more than 30 international locations. For decades, NSK has developed countless new bearings, to meet the needs of users around the world, and for industrial development and technological progress have made great contributions. NSK also in precision machining, with its technical superiority, continue to develop auto parts, high precision machinery components, refined products,In the field of electronic applications, active diversification. NSK's main products are bearing, it is the basis of all machines; is indispensable in modern society products; known as "the food machinery industry" reputation; it ensures the quality of all industrial products; now more than 20 countries around the world NSK and regions have established sales network and has more than 50 factories, the industry ranked highest in the world.