DEFseals is a leading seals original manufacturer carrying with 20 years professional experience,focus on full series hydraulic seals and PTFE,FKM,HNBR,UPE,PEEK component seals,which including U-cup,guide rings and spring energized seals,as well as CMRD(custom made,rapid delivery)urethane and rubber seals. Learn more at www.defseals.com, or on Twitter @DEFseals. Follow us: Twitter at http://twitter.com/defseals Facebook at http://facebook.com/defseals YouTube channel http://youtube.com/defseals