This machine is mainly used for automatic forming of flat masks. After the entire roll of fabric is unrolled, it is driven by rollers, and the fabric is automatically folded and wrapped. Nose bridge rolls unrolled by traction. Cut and import into the hemmed fabric, both sides are welded to seal by ultrasonic welding, and then through the ultrasonic side seal. It is cut and shaped by a cutter ; transported to the two mask ear band welding stations through an assembly line. The final mask is formed by ultrasonic welding. After the mask is made, it is transported to flat belt line and collected.