we are a manufacturer in china for rubber xxxxx factory is founded in 1989,already ISO9001 certified our main products:oil seals,rubber gasket,washer, o ring ,o ring kit,valve stem seals,rubber cord, rubber feet, rubber xxxxx and other molded and extruded rubber parts. we have a professional team to control quality for you .we also can produce nonstandard products, you could send the your drawings to me. the materials are NBR,PTFE,EPDM,HNBR,VITON, SILICONE,xxxxx so far, we exported our seals to AMERICA, CANADA, UK,AUSTRALIA,SINGAPORE,xxxxx are you interested in these products. if you are, please contact me and send detail enquiry to me I will quote a good price to you.