auto rubber o ring 1.Material:HNBR 2.High/Low temperature resistance,Oil resistance,anti-aging 3.Size:1/ ... /16 auto rubber o ring1)We have kinds of material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2) High ... involved.4)We offer OEM, We can design, produce according to your drawings.We specialize in providing different rubber products, class equipment ...