... min 3. 220V,50/60 hz 4. For PP,PE,fabr Ultrasonic Pocket Filter stitching Machine (NK-H2012A) ... kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE+ cloth and other compound materials, thermoplastic plastics foil film ... %), for instance, Nylon, needlework cloth, non-woven fabrics, T\R cloth, Tetoron cloth(Polyester cloth),multilayer cloth, and other coated fabric and ...