... automaticity, theefficiency is about 60-60pcs/min, Ultrasonic bar-type hatting machine Product descriptionLihan machinery co, ltd ... , it is able to complete feeding, folding, welding, cutting steps at once. The specification: 18, 21, 24 ... raw edges. The Parameters of Ultrasonic bar-type hattingmachine Equipment nameUltrasonic bar-type hattingmachineOther nameAutomatic ultrasonichattingmachineModel NO.HD ...