... and materials are available; The sealing property is good; Good quality, reasonable pr Rubber Wares 1, Terials: NBR, silione, NR, FKM ... , etc 2, Various types and color are available 3, Good quality with competitive price Rubber Products 1, Terials: NBR, silione, NR ... O-Ring and Rubber Gasket is welcome. 6, We promise the high quality but competitive price for Oil Seal, O-Ring, Rubber Seal, Runner ...