... HNBR ,EPDM, Silicone, Fluorine(FKM,FPM), Neoprene(CR),Styrene(SBR) ,CR,ACM,PU etc.Application: O ring is widely used in ... different industries: Auto, Machinery, Electronic, Water facility, Valve accessories, Air-conditioner, Sanitary ... ware and so on.We have O ring tooling 2000sets in house, our ...