Ultrasonic sewing and cutting machine specilizes in dress industry. Cutting and sewing can be done at same time.High speed! ULTRASONIC SEWING & WELDING MACHINESpecifications: 1) Power consumption: 220VAC 50Hz 2) Rated power: 1,500W 3) Rated electricity: 7A 4) Ultrasonic frequency: 20kHz (ultrasonic swing: 0-3A) 5) Joint width: 0-10mm 6) Joint speed: 0-10mm/min 7) Joint materials thickness: 0.03-1 ...