... 20M/min 3. 220V,50/60 hz 4. For PP,PE,fabr Ultrasonic Pocket Filter stitching Machine ... edge and hole.4.This machine use ultrasonic for cover sewing, pressing and embossing, the design ... machine can be used to all kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE ... chemical film(chemical fiber should more than 30%), for instance, Nylon, needlework cloth, non-woven fabrics, ...