... machine adopt ultrasonic welding method,equipped conveyer device,put the semi-product onto conveyer device,through pull tube Covered edge,use ... the band, and output the finished-product.Only need one worker to put the semi-product onto the conveyer device,all the ... non-woven medical disposable Mask MachineSemi-product input ---band welding --- band cut off.Semi-product input Band welding Band cut off ...