... sizes & Material:FPM 3.High quality and best quotation Dongfeng O RingsRubber: NBR, EPDM, silicone, FKM, ACM and CRrubber ... O-ring, X-ring, V-ring and other rubber gasketsTypical applications ... and best quotationOEM & ODM orders are welcomeEngine:DongFeng parts. Dongfeng O Rings