... .high rotation,speed,low noice SeriesUCP series, UCF series, UCFLseries, UCFA series, HCseries, ER series,SER series,UCC series,, SALF series, UCT series, SBFL series etc.Materialchrome steel ... steel,plasticStandardISO9001:2000 StandardSeriesUCP series, UCF series, UCFLseries, UCFA series, HCseries, ER series,SER series,UCC series,, SALF series, UCT series, SBFL series etc.Materialchrome steel,carbon ...