YRT-1030 Our bearings registered trademark is WHZ, mainly producing 0-9 types standard and un-standard rolling bearings whose precision grade can reach P2 level. Our leading products are: domestic substituted for imported précised machine of principal axis bearings, whose precise grade are P2, UP, P4, SP and P5, inside diameter ranges from 80-1600mm. We are able to design and produce FAG, NSK, ...