1. Trimming: Straight or curvilinear edge cutting and edge treatment for melting,so smooth, no rough edges;
2. Sealing: Two or more layers of fabric stitched together without thread replacing the sewing needles, good welding strength;
3. Hole making: Cut out the various patterns of holes, and treatment of side melting;
4. Slitting: Single or more cutting of the material at the same time, and treatment of side melting without burr;
5. Forming: Simultaneous cutting,sealing and embossing to make production in one time.