Dear SirI am roby, 12 years experienced manufacturer of oil seal and 3 years gold member of alibaba.com, our main productions are kinds of oil sealing, full sizes, standard and unstandard, OEM or customized service is available, we have ourself factory and storage, you are assured competitive price and high quality.if you are interesting or for more details ,contact me feel freely, or inform me details of your requirements, i will quote a offer for you reference.anything or comments, pls let me know, look forward to hearing your early reply RobyTradermanager : cn1515202609nmaqSkype: robybicycle