Subsequent process : VSS automatic production line  consist of split detecting equipment, automatic trimming/spring installed equipment and spring visual check equipment.Crankshaft oil seal automatic production line consist of automatic equipment which is able to trimming, spring installing, spring checking. With respects of O-ring, freezing-trimming machine imported from Japan is also available for us. For wheel/bearing seals, we also have visual checking equipment to realize the automatic production line.