The lines can be blown continous 800-1500mm in fold width  0.08mm om tje thickness packaging films, film has good insulation, for instance holding temperature, antihumid, antibreeze, anti-rost, insulation oxygen oil resistive, and so used for light and heavy-duty packaging, for example fresh fruits,meat-feeding, salt vegetables,fresh milk,drink.
Die head is layer type spiral mandral, continuous 3600 rotation.
screen pack changer design is reliable, safe in operation and change the fitter screen easier.
Various functional parts maybe installed to the lies, such as  length counting device, vertical cutting device,cooling water row pipe, film spreading roller, scrap collecting device.