| spare parts type | roller | material | steel roller |
| machinery test report | Provided | video outgoing-inspection | Provided |
| key selling points | Long Service Life | Weight (KG) | 200 |
| Material | #45 steel or alloy steel | Size | customized |
| OEM | accept | Package | wood carton |
| After-sales Service Provided | Online support | After Warranty Service | Online support |