... , Silicone, viton, HNBR, CR, PTFE, EPDM, etc can choose on your requirement.2. types of rubber oil seal: TC, TB,TA ... ,DC,DB etc. also we can make on your demand.3. Different size of , ALSO can make on your size.4. Optional color for ... Gasket, O-ring: RED, GREEN ,BROWN,WHITE, YELLO etc.5. Your OEM order of the products are welcomed 6. Apply for ...