... need to provide design;6. The running speed of the sewing machine for ordinary four times, simple operation.function1. Trimming: ... layer or multi-layer fabric stitched together, wireless no needle sewing and replace welding strength;3. The screen hole: cut out ... tablecloth, curtain,bedspread, pillowcase, bedding bag, tents, raincoat, disposable surgical garment cap, non-woven mask, nonwoven, etc