... 9001:2000 2.Material:NR,SI,EPDM,NBR,PU,etc 3.customer's design is welcome 4.Any sizes rubber productDifferent materials ... itemsMaterial NR, SI, EPDM, NBR, SBR, FPM, IR,, BR, IIR, PU, etc, just as your request.CertificationISO 9001:2000SGS,PAHS,LFGB ...