... Rubber metal parts for valve 1.Certificate: ISO9001:2008 2.Material: NBR, NR, EPDM, metal, etc 3.Different sizes Product NameRubber metal ... oilSizeWe can provide you with many different sizes of rubber metal parts, according to your drawing or samplesMatetialNBR, NR ... auto rubber parts, rubber roller used in the wrapping machine, printing machine, etc. We have the certificate of ISO9001:2008. ...