... 15 years .We have strong technical force ,advanced equipment and scientific management .And we have the ISO9001:2000 quality system certificate . ... : SKF ,FAG ,NTN ,NSK ,KOYO ,TIMKEN ,KG ,URB and so on .Deep groove ball bearing: 6000series 6200series 6300series 6400seriesTaper ... UCFCseries UCFLseries We sincerely welcome friends home and abroad to visit us and cooperate for us !Best wishes ,MaryTel: ...