This machine is special-purpose equipment for manufacturing refrigerator liners. The forming process mainly uses vacuum suction generated by a vacuum pump to draw heated and softened thermoplastic plastic sheets over moulds to form refrigerator liner shapes. The main unit consists of the feeding section, heating section, conveying section, forming section, automatic trimming section, vacuum system, cooling system, lubrication system, water circulation system, mould heating system and electrical control system. Customers may select single-station, double-station, three-station, four-station or multi-station configurations according to budget and cycle time requirements.