... ,etc3.OEM and non-standard bearing&roller orders are available .4.Craft: heat treatment, fine finishing, etc.Series:60,62, ... 69,68,6000series, and non-standard bearing series,toys bearingRoller:all kinds of rollers Product Features:1. Good grinding and elegant design2. U- ... . Our annual output has reached 100 millions sets and by domestic and foreign customers welcome.Packing details:Packing: box,tube, ...