Molded Rubber Part 1,FDA,ROHS Certificated. 2,OEM service. 3,Ozone resistance,aging resistance,UV resistance. Molded Rubber Part1, Material:NBR,CR,SBR ... ,Ozone resistance etc.4, Certification: ISO9001:2008,ROHS, FDA5, Packing: plastic bag&carton box or according to your requirements.6,Application ...