Feko has the capacity to manufacture Nautral Rubber(NR) , Styrene - Butadiene Rubber (SBR) , Ethylene - Propylene Rubber (EPM-EPDM) , Chloroprene Rubber (CR) , Nitrile Butadiene Rubber (NBR) , Silicone Rubber (MQ-VMQ-PVMQ) , Urethane Rubber, Fluorocarbon Rubber (FKM-FPM) , Polyacrylic Rubber (ACM) , Teflon (Polytetrafluoroethylene) (PTFE), Hydrogenated Nitrile Rubber (HBNR) materialed Oil Seals. Feko Ltd. has a great capacity of manufacturing possiblities up to 1000mm outer diameter. Feko Oil Seals are honored by Turkish Standards Institution with certificate of comfornity to Turkish standarts. Also Feko Ltd. is honored by Bsi with Quality Management Systems - ISO 9001:2008 for "Design, manufacture, sale of oil seals. Manufacture and sale of bearings according to customer requirements". Also if you want to see the work atmosphere see the video Feko Ltd. has more than 4000 oil seal species and the list is growing everyday. Also new species are made by demand.