... -20pcs/min Ultrasonic Velcro slitting machine OverviewDongguan Lihan Machinery Co., Ltd took the lead in the application of ultrasonic technology in ... some strips, also can automatic rolling.Co-operate manufacturers: Shenzhen Jianli ribbon Co., Ltd, Shenzhen Hexin Co., Ltd, Fucheng Velcro Co., Ltd Ultrasonic slitting machine