Our 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”, “TIMKEN” standard products, whose precise grade are completely satisfy the standard