Linqing Nine Star is one of the bearing manufacturing enterprises in Shandong province, covering bearing research and development, manufacturing, marketing and trade. Our main products are deep groove ball bearing, electrically insulated bearing and hybrid ceramic bearing. We are the 1st enterprise of professional R&D and manufacturing of electrical insulating bearing in domestic, obtained the ISO9001 quality system certification. We can supply customized bearings within the range of 50mm to 500mm according to clients'requirements.