Beijing North Shaft Bearing Co., Ltd. ( Beijing bearing plant referred • North axis ) in 1968 and build factories , domestic production of metallurgical mill bearing expertise, Northern Axis products for the registered trademark "Kunlun " , is the first to develop manufacturing mill with four cylindrical roller bearings business ; Department of bearing industry key enterprises , metallurgical equipment, accessories center of the earliest members of the unit. 　　Decades of experience in manufacturing and metallurgical mill bearing proprietary cutting-edge technology , high-quality products is the foundation of the North axis , the North axis developed four-row cylindrical roller bearings rolling mill , has received the former Ministry of Machinery Industry and Technology Achievement Award ; " promotion of small and medium rolling mill bearings transformation (GY short stress line mill ) ," national Science and Technology progress Award was , by the Ministry of Metallurgical Industry recognition ; North axis also developed a four-row cylindrical roller bearing rings and the " mill Collar tolerance industry standard " ; North axis has a number of products and technology for national patents, new product technology awards. 　　North axis mill bearings implementation of industry , national and international professional standards, product design method limits the use of rolling bearings , through the application of technology to continuously explore and R & D investment to mature advanced technology and sophisticated equipment and reliable detection means the entire process of production control product quality. Today, the North axis products metallurgical machinery, non-ferrous metal rolling , bearings and other areas of domestic alternatives represent high reliability and innovation. With long-term experience and know-how , from design to transform one step ahead of the use of technology to solve a variety of problems today bearing applications, these bearings have been covering the entire field of metallurgical products , consolidate and assist our partners in their leading position in the field .