The cold storage door is an innovative product developed from the fast soft-curtain door. While maintaining fast opening and closing speeds, it boasts thermal insulation, heat preservation, anti-freezing and anti-frosting properties. Ideal for fresh-keeping and cold storage facilities, it operates within a temperature range of -30°C to 0°C. Equipped with an automatic heating function to prevent track frosting, it can quickly recover after impact. The door runs at an adjustable speed of 0.6-1.5 m/s for both opening and closing.