Linqing Nine Star is the bearing manufacturingenterprises, covering bearing research and development,manufacturing, marketing and trading. Our company owns abundanttechnical force, perfect production technology and detection. Ourmain products are: Deep groove ball bearing, Electrically insulatedbearing, and deep groove ball hybrid ceramic bearing. We are thefirst enterprise of professional R&D, manufacturing ofelectrically insulated bearing in domestic, obtained the ISO9001quality system certification. We can supply customized bearingswithin the range of 50mm to 500mm according to clients'requirement.