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Feature:

1. There is insulation cotton at the entrance and exit, the insulation effect is excellent, and the air passage is formed once.
2. Adopting vortex flow, high heat exchange efficiency and good cooling effect.
3. Rapidly reach a temperature below -10 °C in a short time.
4. The refrigeration system adopts the eddy current principle. At low temperatures, the fan motor can also run at high speed, and the cold air penetrates into the upper.
5. The transmission and cooling system is highly accurate and easy to use.