- Needle bar and upper looper mechanisms are applied active oil supply and entirely sealed vacuum oil return system.
- The new system exceeds the traditional oil supply of rope type and dropping type.
- Needle bar height adjustment without opening the machine.
- Lower looper holder fine-tunes mechanism.
- Chainstitch fine-tune mechanism: Open the rare cover to adjust stitch length easily.
- The needle plate thread groove leads to a perfect loop.
- 5 cm height sewing area offers better cloth movement.