1. Suitable for thick fabric: Two or three needles can easily sewing 16 layers cloth
2. Differential: Upper puller and differential feeding make sewing more smoothly
3. Automation::On the basis of direct drive increased automatic presser foot cylinder to achieve easy sewing
4. Automatic fueling: Lower vibration and noise under high speed operation
More functions than the conventional model: direct-drive motor, pneumatic presser foot lifter
The machine is Feed Off The Arm Double needles Chain ...