... As a leading rubber manufacturer ,we can provide rubber o-ring,gasket,washer with high-quality and best price rubber o-ring ... Available material : material for NBR,FKM,FPM,VITON(FKM)&Dow elastomers,Neoprene,HNBR,Natural rubber,SBR,IR,IIR(butyl rubber),ACM ect.NSF an ... and attenuating shock Our factory is a professional manufacturer of rubber products ,you can get much more information from our websit ...