The ‌spiral freezer‌ is an industrial refrigeration device designed for rapid freezing of food products through a continuous spiral conveyor system‌. It rapidly reduces product temperatures to -18°C or lower, effectively preserving food quality and extending shelf life‌. The low-tension Spiral freezer with double drums produced by Square Technology is applicable to individual quick frozen of granulated and small-piece food, large-sized frozen food, such as the prepared meals, whole chicken and fish. It combines efficiency with compact design, making it essential in large-scale food processing. Double drum spiral freezer positions infeed and outfeed at low, making it convenient for operation and better matching the production lines of customers.