... 2 artificial leather 3 nonwoven fabric,spun-bonded cotton 4 non-woven fabric bag sewing machine Ultrasonic non-woven fabric bag sewing machine parameters:Output ... , etc. This machine can be used to all kinds of fabric, artificial leather, coated cotton, PE paper, PE + aluminum, PE+ cloth ... with pressure.2. There’s no fog and spark in produce processing, won't cause damage to fabric edge, and also can ...