The machine uses a large vertical hook hook line, slider bar thread. Synchronous Toothed belt conveyor plunger pump lubrication system.
| Model | Sewing speed | Stitch length | Presser foot lift | Needle model | Needle Numble |
| SR-0088-4400 SR-0088-4420A | 2000r/min | 0~9mm | 16mm | DP x17 | Single Double |

