... materials.9. We produce this machine with different working width: (H2012 =50mm, H2013=75mm, H2014=100mm, H2015=125mm, H2016=150mm, H2017 ... .) Technical Parameters: Machine Name:Ultrasonic lace sewing cut machineModel No.:KH-H2012Frequency:20KHZEnvironment-10°C-28°CPower voltage220±5V 50Hz 10AAir ...