Haofeng 3-station positive-negative pressure machine is the third-generation fully automatic multi-station thermoforming equipment launched by Haofeng (Tianjin) intelligent manufacturing for high-demand, multi-category blister packaging. It adopts a core process of positive-pressure + negative-pressure combination forming + three-stage workstation circulation, featuring high precision, high adaptability, and high-speed stability. It is compatible with mainstream thermoplastic sheets such as PP, PET, PS, and PLA, and is widely used in the large-scale production of blister packaging in fields such as food, electronics, daily necessities, and medical care.