- New construction:
Centralized hooking system: more reasonable thread hooking, add the stability and lifespan of the machine. The device replace solenoid system, reduce noise greatly, with more unanimous action, performance improved much. Linear Rail: Add driver’s lifespan and make stitch more precise and stable. Outside-trimming system: Avoid rubbish material and improve stability of trimming system.

- Advantage:
Big wheel stalled in the machine to ensure the convenient movement of the machine. Neat appearance and compact construction make machine look better. Reasonable mechanism design make the working noise reduce to the lowest level.

- Option: 
Sequin device, Cording device, Boring device.