Linqing Nine Star is one of the bearing manufacturing enterprises in Shandong province,covering bearing research and development,manufacturing,marketing and trade.The company owns abundant technical force,perfect production technology and detection means,integrated advanced processing equipment,effective quality assurance system,a group of senior engineering and technical personnel, and domestic well-known experts for technical consultation.Our main products are:deep groove ball bearing,electric insulation bearing and deep groove ball hybrid ceramic bearing.The electric insulation bearing and deep groove ball bakelite retainer bearing are Nine-Star's independent research and development products.We are the first 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 50.mm according to clients' requirements.