... treatment for melting,so smooth, no rough edges;2. Sealing: Two or more layers of fabric stitched together without thread ... treatment of side melting without burr;5. Forming: Simultaneous cutting,sealing and embossing to make production in one time.Suitable material ... thermoplastic film, chemical plastic piece. such as nylon, polyster, PC, PU, PE, PP, PS, etc.Application:Apply to lace clothing, ribbon ...