Automatic A4 A3 brown paper file folder pocket envelope making machine

Automatic A4 A3 brown paper file folder pocket envelope making machine Introduction: HP-250C full automatic pocket envelope making machine is suitable for producing pocket envelope, open-end envelope and similar paper bag. The seam of envelope can be made at the middle or at the side, besides the small flap can be under the big flap, or above the big flap. It is characterized by Reliable sheet separation of the air-suction bottom feeding system, Customer can feed blank