Ningbo SUP bearing Co.,Ltd. established and developed on the basis of the Dalian SUPbearing factory from 2000. The company is specialized in designing and manufacturing various kinds of large-size bearings, Bearing, roller bearing, spherical roller bearing, spherical bearing, bearing spherical, taper roller bearing, tapered roller bearing, taper bearing, rolling mill, rolling mill bearing, slewing ring, slewing ring bearing, slewing bearing, slewing, crossed roller bearing, bearing, ball bearing