powder metallurgy
changzhouqingtanspecialbearingco.,ltd.wasestablishedin.itisahigh-techenterprise,thesetterofthenationalindustrystandardforone-waybearings,andhaspassedtheiatfcertification.ithasbecomeastrategicpartnerwithgermanbtccompany,mainlyforvariousneedlerollers.bearing,planebearingandone-waybearingseriesproductsmanufacturer,supplyallkindsofone-wayneedlerollerbearings,powdermetallurgyone-waybearings,fishinggearone-waybearings,etc.,one-waybearingspecifications,sizesandmodelsarecomplete.