Plane compound&coating unit: an unit proceeding plane compound and coating , it employs PP&PE mixture to extrude film with dual die head adjustable high aperture ratio extruder , synchronously coating on single layer craft and plane cloth by PP or PE wiredrawing and weaving ,thermal sealing into plane compound cloth with four lamination rollers, or to make just heat coated cylinder cloth without craft , and afterwards towing and/or perforation, lead cloth into Bag making machine with intermediate agglutination to complete making bag. for 1-2 color printing , intermediate agglutination if necessary, confectioning ,cutting. Wiredrawing&weaving employ automatic photoelectric cut-away localizer , therefore economic. Charging wagon is equipped with air shaft and towing employs air pressure blade with scientific structure.