... ISO9001: 2008 4 OEM/ODM are welcomed EPDM O Ring/NBR O Ring1 EPDM O ring 2 Material: NBR,HNBR,PTEE,FPM,MVQ,EPDM,PTFE ... : we have our own mold center, can develop most kinds O ring of high tech requireds.7 Experience in export business:exporting ... and friendly business relationship.Export products are include rubber widescreen,elbow,oil seal,o-ring andso on.8 According to customers' drawing,customized ...