... , cup-shaped, butterfly, duckbill, dustproof, plane, ladder type, N95 and 3M mask machine, automatic inside/outside ... concept. Sales hotline: 15989910854.“Hongda”brand Ultrasonicbar-type hattingmachine: The equipment is an integrate machine ... The Parameters of Ultrasonic bar-type hattingmachine Equipment nameUltrasonic bar-type hattingmachineOther nameAutomatic ultrasonichattingmachineModel NO.HD- ...