✅High Speed & Efficiency: Operates at speeds of 0–20 meters per minute, which is roughly 4 times faster than traditional sewing machines. ✅Threadless Technology: Eliminates costs related to needles, threads, and bobbins. It also avoids "pinhole" leaks, making it ideal for waterproof or medical items. ✅Adjustable Power & Speed: Features a dual-motor system (in some configurations) that allows for independent control of the welding roller and the horn, ensuring smooth feeding for different material thicknesses. ✅Automatic Protection: Equipped with a built-in computer chip and a multi-channel ultrasonic protection system to prevent damage from frequency shifts or overloading. ▶️Synthetics: Nylon, Polyester, Spandex, and Acrylic. ▶️Non-Wovens: Spunbond polypropylene ▶️Others: Artificial leather, thermoplastic films, and chemical plastic ...