... : available 3.OEM/ODM orders are welcome NameRubber seal,Rubber O-Ring ,oil seal, Rubber GasketMaterialEPDM,NBR,SBR,CR,NR,SIL,VT,HNBR,PU ... of productionCompression or injection or extrusionTesting instrumentsVulcanization tester; Tensile tester; Rubber durometer; Imaging size projector; insulation resistance tester etc. O-ring