1. Auto trimming, auto bactacking, pneumatic presser foot lifting, integrated LED lighe, free-handle bobbin winder, which make the normal sewing more comfortable and high efficiency.

2. Large operation space and slim post bed are convenient for sewing high quality topstitch of three dimension naterial edge.

3. Instantaneously adjusted alternating amount of presser foot can climb over thick sposts with high efficiency.

4. It can be set two different tension for clamp device and change quickly.

5. It's equipped with horizontal large hook, can sew maximum thread of 9 strands of nylon. So that it can make sure stable trimming.

6. Three parts feeding construction make sure feed smoothly,and difficult to move for upper and lower material.