valve oil seal -Material:NBR,Viton,EPDM,PTFE,PU,MVQ... -Good ... -Certification: ISO9001:2001 -Manufactory Product and sell all kinds of valve oil seal : 1. Applications: automobile, motorcycles, agricultural machinery, trucks, buses ... will be born by the buyer;2)Large quantity, sea/air freightDelivery Time1-2 weeks after confirmation of the sample or ...