... ,Rubber oil sealSizeAs the requirements of customersMaterial:EPDM,Viton,NBR ,NR,PTFE,PU,Silicone,etc.(heat,cold,abration,resistance.)Hardness:NBR:HS75A ... ,ect. Certification ISO9001:2000This is the small parts of the all the sizes of the oil sealsAbout us We can produce it according ... ourselves.High quality and best price.we can offer you all sizes and materials that you need.We strongly believe that ...