auto parts 1. material:silicone,rubber,NBR,EPDM,NR 2. certificate:ISO-9001,ISO-14001 3. high quality and competitive price 1. Available material: Silicone, rubber, NBR, EPDM,NR2. Certificate: ISO-9001, ISO-140013. Various size and color is available4. High quality and competitive price5. Can provide ODM or OEM service 6. RoHS compliant7. High quality and competitive price