... leather 3 nonwoven fabric,spun-bonded cotton 4 non-woven fabric bag sewing machine Ultrasonic non-woven fabric bag sewing machine parameters:Output ... loose edge and hole.4.This machine use ultrasonic for cover sewing, pressing and embossing, the design can be changed ... blending cloth, chemical film(chemical fiber should more than 30%), for instance, Nylon, needlework cloth, non-woven fabrics, T\ ...