... .High price performance ratio Product Description Item nameO ring manufacturing process MaterialSilicone,,FKM,FPM,VITON A, VITON B, GF,GFLT, ... with combination of R&D,production and sales for more than 20 years.We can design and produce according to your drawings & samples ... contact us, thanks. Details Show oil and fuel resistance superb quality o ring manufacturing process HNBR FKM FPM VITON A VITON B ...