This machine is mainly used for welding of the ear-loop, compared with the traditional single-point ultrasonic welding machine, our machine is more efficient, the rope is automatically transmitted, and a mask only needs to be welded on both sides, directly double the efficiency. The produced masks are comfortable to wear, no pressure, good filtering effect, fit the human face, and widely used in food industry, electronic and electrical industry, factory clean workshop, personal protection, and other places for sanitary protection.