Certificatation:ISO/ TS16949 Name: auto rubber bushing Material : NBR, SBR, NR,ect Market:China,The USA,EU, ... .Certificatation : ISO/ TS16949 Germany: 2002 ,ISO9002:1994, ISO9001:20002.Name: auto rubber bushing3.Material : NBR, SBR, NR,ect4.Characteristic: Ozone resistant, High ... . Note : Our factory can produce & design aaccording to clients request. auto rubber bushing