Hello friend, I hope you have an amazing day! We are a factory that can provide you with high quality rubber seal products. NBR,Viton(FKM),EPDM,silicone,FFKM,HNBR,PTFE,PU materials rubber seal are all available. Such as O Ring, oil seal, hydraulic seal, flat gasket, floating seal. Lots of sizes in stock.We are also good at making custom sizes. Would you like some pieces of samples or a trail order? Welcome to your inquiry. Thanks Lucy