RDRJ Bearing, an ISO 9001 company in China,which factory located in China hometown of bearing-Linqing, Shandong province, is a leading manufacturer, supplier and exporter of various types of bearings including tapered roller bearing, spherical roller bearing and cylindrical roller bearing as per international standard specifications since 1995. RDRJ produce highly qualitative bearings in various types with respective technical specification and hardness. Our own brand is "RDRJ" and also we ...