Certification:ISO/TS16949 Name: rubber plug, rubber stopper Material : EPDM,NR,IIR,MVQ,FPM,CR,ect market:China,The USA,EU 1.Certification : ISO/ TS16949 Germany: 2002 ,ISO9002:1994, ISO9001:20002.Name: rubber plug, rubber stopper3.Material : EPDM, NR, IIR, MVQ, FPM, CR,ect4.Characteristic: Ozone resistant, High/ Low temperature resistant, Aging resistant, Wearable, Great flexibility,ect. 5.Market ...