... the whole set of the product anti-shock,slip-resistance,dustproof,protection Nbr/cr/nr/epdm/silicone/viton ... punch, extrusionFunctionShock absorption, buffer,oilproof,protection,aging resistance,wear resistance,pressure resistance,anti-slip,waterproofCertificateISO and FDAUse inRunning machine,auto machine ... molds and run mass production.2. Strong QC and R&D teams to assure high quality proudcts.3. ...