... in 5 days after your confirmed payment Ultrasonic sewing machineSpecifications:ultrasonic sewing machine apply to seal the fabric ... .Basic components1. New type PC intellectual ultrasonic generator; 2. 20KHz ultrasonic transducer unit; 3. Bottom mould fixed ... Apply to lace clothing, ribbon,trim,Filter, Lacing and quilting,decoration products, handkerchief, tablecloth, curtain, bedspread, pillowcase, ...