1.This machine has automatic feeding, automatic cutting, automatic ultrasonic welding functions and with the use of servo motor automatically pulling ear belt, which make it stable and reliable. 2.It can be used for welding face masks. 3.After the face mask body is finished, the ear band shall be welded manually. The operation is simple and the joint points are firm and beautiful. Skilled workers can complete the welding of mask ear strap with speed around 13~15 pieces per minute.