Certificatation:ISO/ TS16949 Name: Auto rubber valve air flow hose Material : EPDM,CR,MVQ,FPM,Ect market: ... of U.S.A and JIS of Japan 2.Name: Auto rubber valve air flow hose3.Material : EPDM, CR , MVQ, ACM, FPM ... .Note : Our factory can produce & design aaccording to clients request. Auto rubber valve air flow hose