... sewing machine can cut, sewing at the same time, without thread, trimming, making hole, weldiing, slitting Feature: (ultrasonic lace sewing machine, ultrasonic lace machine, ultrasonic lace cut machine ... , instead of sewing needles without wireless andgood weld strength. 5. Slitting: the material for a single or more of ... W:200KGPacking size:130*70*140CM Ultrasonic lace sewing machine with sealing edge