... / TS16949 Name:Teflon coating plastic plug Material :EPDM, NR, IIR,MVQ,FPM,CR,ect market:China,The USA,EU Certification : ISO/ TS16949 ... ,ISO9002:1994, ISO9001:2000HG/T 2196-91 of Chemistry of China ,D-2000 of U.S.A and JIS of JapanName ... can produce & design aaccording to clients request. Teflon coating plastic plug