... 4)OEM is available Description of our rubber coupling with SUS301 band: 1) Material : natural rubber ,EPDM, NBR, or according to ... Process : vulcanizationPictures of products as following: Flexible natural rubber reducer coupling with SUS301 band The hex screw with slotted ... 4``) to 460mm11,What kind of rubber coupling you can supply?We can supply straight rubber coupling ,reducer and G cover.Dear Sirs ...