Ultrasonic non woven bag sealing machine applied to seal the non woven fabric cloth or chemical fabric cloth with no thread ... all kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE+ cloth and other compound materials, thermoplastic plastics foil ... more than 30%), for instance, Nylon, needlework cloth, non-woven fabrics, T\R cloth, Tetoron cloth(Polyester cloth),multilayer ...