Global-Bearings Shanghai Co., Ltd , SGB is an authorized member of Global-Bearings Group. We specialize in the manufacture and distribution of high precision miniature bearings, dental bearings, high speed hybrid-ceramic bearings, high precision and high speed synthetic fiber and spindle bearings, ball-screw bearings and low-noise engineer bearings.All of our high precision products have at least one year 100% quality guarantee see the different type.