20KHz 2000W High Quality Ultrasonic Sewing Machine For Tent Welding. Needle-Free Welding: Eliminates needles and threads, saving costs and avoiding breakage issues. High Efficiency Speed: Operates 5 to 6 times faster than traditional sewing machines. Multi-Function Capability: Performs welding, cutting, sealing, and edge trimming in one step. Seamless Sewing Option: Uses circumference horn for continuous jointing with fabric movement. Customizable Width: Welding width is determined by customer requirements. Durable Seal Quality: Special steel wheel processing prevents cracks, burrs, or curling. Easy Operation: Simple to operate, suitable for ordinary sewing workers. Medical Grade Application: Ideal for disposable surgical gowns with waterproof and antibacterial properties.