I.Trimming. Single-sided straight or curved cutting, and edge melting treatment, so that the edge is smooth, not rough, and without burrs;
2.Stitching: Two or more layers of fabrics are stitched together, wireless needless instead ofsewing, and good welding strength;
3.Stripping: single or multiple strips of the material can be cut at the same time, and the edges should be melted without burrs;
4.Forming: cutting, stitching, and embossing at the same time, so that the product is formed at one time.