A highly efficient, fully automatic solution that forms, fills, and seals quad-folded gusseted block-bottom bags directly from a single roll of film. Delivering a continuous speed of 20 to 60 bags per minute, the ND-G25ZB is the industry standard for medium-to-large roasters who demand exceptional shelf presence and block-bottom stability without paying pre-made bag premiums. It features integrated nitrogen flushing, automatic one-way degassing valve application, and a dustproof servo-driven film pull system, guaranteeing flawless, long-run industrial productivity.