The heating system of the fast rolling door of the cold storage heat preservation guarantees the normal operation without freezing in the cold storage at -30 degrees. The 3-layer composite heat preservation door curtain realizes heat preservation and rapid opening and closing to prevent frosting and slippery caused by the temperature difference between inside and outside.

The cold storage insulation fast rolling door is a professional subdivision fast door product developed by SEPPES Door Industry for cold storage use. The product adopts a high-end heating system to ensure that the fast rolling door can operate normally in the -30 degree cold storage without freezing. The layer curtain is filled with thermal insulation material to achieve the dual effects of thermal insulation and rapid and frequent switching, which can well prevent the frost and slippery caused by the temperature difference between inside and outside.