... etc 2.easy to operate 3.CE machine 1.Product DescriptionHX-2018RFS Ultrasonic Sewing Mahcine ... , nylon cloth, knitting cloth, non spin cloth, gush glue cotton, PE paper, PE + aluminium, PE + cloth ... spin respirator,(21)handicraft(22) decorations products.4.Main Feature1.No needles and thread, to ... 3.Welding lines and curves can be processed;4.Compliance with the requirements of watertight, airtight, ...