Certificatation:ISO/ TS16949 Name: Auto rubber valve air flow hose Material : EPDM,CR,MVQ,FPM ... .S.A and JIS of Japan 2.Name: Auto rubber valve air flow hose3.Material : EPDM, CR , MVQ, ACM ... Characteristic: Ozone resistant, High/ Low temperature resistant, Aging resistant, Wearable, Ect. 5.Market: The USA , Japan, Europe and so ... & design aaccording to clients request. Auto rubber valve air flow hose