Ultrasonic spot welding machine is widely used on welding belt of mask or respirator; velcro, handle of non-woven ... mask and embossing and bondingSuitable material :composite material, non-woven fabric cloth, such as chemical fibrous cloth, nylon cloth, knitting cloth ... ,PVC,ABS, and so on.Application:disposable mask ear-loop welding , non-woven fabric bag handles(shopping bags, handbags),etc.