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.