Linqing Nine Star is the bearing manufacturing enterprises, covering bearing research and development, manufacturing, marketing and trading. Our company owns abundant technical force, perfect production technology and detection. Our main products are: Deep groove ball bearing, Electrically insulated bearing, and deep groove ball hybrid ceramic bearing. We are the first enterprise of professional R&D, manufacturing of electrically insulated bearing in domestic, obtained the ISO9001 quality system certification. We can supply customized bearings within the range of 50mm to 500mm according to clients' requirement.