O ring, oil seals, hydraulic seal. Material: NBR, EPDM, ... office,production department and with skillful workers welcome to visit our company. 2.our company specializing in ... ; silicone babay feeder,nipple; wooden watches,LED watches..O ring,Rubber hose,rubber gasket,rubber washer , steering wheel cover ... interest in our goods, please feel free to contact us, we will do our best for you. EPDM o ring