... 2. OEM service 3. Prompt delivery: 1 week price of silicone rubber MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA ... , etc.Hardness30degree-90degreeMode of productionCompression and injectionProduction CapabiltyRubber compression/injection ... We have more steady price policy than our competitor price of silicone rubber product