welding,sewing,punching,drilling machines and search for overseas agents Ultrasonic Lace Sewing Machine (NK-H2012A) ... Tetoron cloth(Polyester cloth),multilayer cloth, and other coated fabric and coated papers. Features and Functions of the ultrasonic lace sewing ... of high-grade products and with high quality.2. Using ultrasonic and special steel moulds for cutting and welding, the sealing edge ...