Certificatation:ISO/ TS16949 Name: Auto rubber exhaust air hose material : CR, EPDM, NBR ,NR, MVQ, ect Market:Asia,USA,EU ASSESSED SUPPLIER ... and JIS of Japan Name: Auto Rubber exhaust air hose Material : CR, EPDM, NBR ,NR, MVQ, ect Characteristic: Ozone resistant, High/ Low ... can produce & design aaccording to clients request Rubber exhaust air hose