... .Superior aging-resistance 3.ISO 9001:2000 standard system 4.Material:NR,SILICONE,EPDM,SBR rubber cable grommet 1 .our product have ... a professional team and the R & D team Name Molded Rubber Grommet for Cable MaterialNR,SILICONE,EPDM,SBR,NBR,CR,BR ... .Customers' requirments are available PaymentT/T,Western Union auto moulded rubber sheath(ISO9001:2000)