... :NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITONE, etc. Can choose on your requirement;2. Many types of Rubber Oil ... E-type, U-type, V-type and so on, can make on your type.4. Different sizes of Oil Seal ... ,Rubber Oil Seal,Rubber Seal, also can make on your size.5. Optional color for you of the ... Ring : Black, red, yellow, brown, white, green, violet etc, can make it on your order;6. Your OEM order of ...