ultrasonic spot welder to weld the Ear-loop of the face mask and weld the Handle of the Non Woven Bag. Table Type Ultrasonic Spot Welder for Mask Ear-loop Welding is widely used on welding belt of mask or respirator; velcro, handle of non-woven bags and so on1. Features(1) Smart design and easy for operation(2) Can weld the ear-loops for disposable masks, inner/outside ear-loop masks, cup masks, ...