... . 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance Auto Rubber Product1, Material: NBR,CR,SBR,HNBR,ACM,EPDM,IIR ... ,Ozone resistance etc.4, Certification: ISO9001:2008, ROHS,FDA5, Packing: plastic bag&carton box or according to your requirements.6,Application ...