... 4 OEM/ODM are welcomed EPDM O Ring/NBR O Ring1 EPDM O ring 2 Material: NBR,HNBR,PTEE,FPM,MVQ ... our own mold center, can develop most kinds O ring of high tech requireds.7 Experience in export business: ... products are include rubber widescreen,elbow,oil seal,o-ring andso on.8 According to customers' drawing,customized specifications are welcomed ... all of oil seals, gaskedts,o-rings ,and so on. EPDM O ring