1. supply standard and non-standard o-ring 2. all colors and materials are available 3.high ... quality 4.best price and service Product InformationNameRubber seal,Rubber O-Ring ,oil seal, Rubber GasketMaterialEPDM,NBR,SBR,CR,NR,SIL, ... A Size Different Sizes are availableLogoas clients’s requestSurfacecoating with Teflon, Talc ,Graphite.etcCertificateISO9000 and NSFRubber compoundCan be UL, FDA, ...