This machine is a three station plastic negative pressure thermoforming machine. This series of machines can heat press various types of films (PVC, PP, PS, PET, etc.) into plastic covers of different shapes, such as toys, hardware, food, electronics, pharmaceuticals, daily necessities, clothing, as well as plastic ceilings, wall panels, cake boxes, automotive materials, and sanitary materials with three-dimensional relief patterns, forming exquisite inner and outer packaging.