... ~20M/min 3. 220V,50/60 hz 4. For PP,PE,fabr Ultrasonic Pocket Filter stitching Machine (NK-H2012A) Ultrasonic ... curtain sewing machine and ultrasonic semi-automatic non-woven bag making machine. Technical parameters of ultrasonic pocket filter stitching ... all kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE+ cloth and other compound materials, thermoplastic plastics foil ...