With social development and convenient transportation, the establishment of warehouse plants has been promoted. At present, the industries involved in logistics and warehousing in China include medicine, hazardous chemicals, financial warehousing, self-storage, e-commerce, and so on.

In recent years, energy conservation and consumption reduction,and promotion of the development of green industries have become the focus of the whole society. The natural ventilation system plays an important role in logistics warehousing.

Because of the environmental protection requirement, modern logistics warehouses accept to install natural ventilator on the roof. Users install daylighting belts,to make warehouse area get more light.

The natural ventilation system uses the principle of indoor and outdoor thermal pressure difference to realize the natural ventilation. According to the principle of rising hot air, the dirty hot air can be exhausted from the room via roof vents, outdoor fresh air will enter into the room from vents. The use of roof smoke vent in the storage plant can effectively improve the internal environment of the plant. The rainproof board also can be used as daylighting board, which has dual function of daylighting

and ventilating.

The design of natural vent is generally completed by the design institute, and professional smoke vent manufacturers also have the ability to design natural ventilators. The production and installation steps are completed by the manufacturer.