1.ISO9001:2008 certification, 2.Complete QA Equipment 3.Clear silicone rubber o ring manufacture 4.OEM OEM clear silicone rubber o ring MaterialNR,CR,NBR,SBR, SILICONE,VITON,EPDM, HNBR, BUNA, etc.Hardness30degree-90degreeMode of productionCompression and injectionProduction CapabiltyRubber compression/injection machines including 150T,200T,250T, 300T and 500TSize/colorThe size and color can be ...