... supply EPDM rubber o ring, silicone rubber o ring, ACM rubber o ring, NBR rubber o ring, HNBR rubber o ring, FPM rubber o ring, CR rubber o ring, viton o ring, etc.Rubber o ring descriptions:1 ... your request.6. Applications: can be used in automotive, industrial, mechanical, telecom, mechanical, or special purpose. 7. Certifications: ISO9001:2008, TS16949, and ...