Since 2020, affected by the epidemic, the "Stay-at-Home Economy" has become more and more popular. Fresh food e-commerce has grown quickly from the cold winter of 2019 to 2020. It can be foreseen that after the epidemic, the "Stay-at-Home Economy" will continue to develop, and it will be more convenience for people's life. Because of the development of fresh food e-commerce more new factories will be built, and the supporting logistics and transportation will be more complete. Mcwell has been deeply involved in the field of labyrinth natural ventilation for 16 years. Mcwell also has rich experience in supporting facilities in the field of fresh food e-commerce and logistics. Mcwell has cooperated with Cainiao, Vipmall, Hema, etc, and established good cooperative relationship with these companies. Mcwell will surely catch this opportunity and achieve better development. Fresh food e-commerce and logistics transportation industries like to choose low-profile ventilator more than

streamlined natural ventilator and arched continuous rooflights. Thin ventilators are more conducive to warehouses and logistics factories. The ventilators have triple functions of ventilation, lighting, heat dissipation, and the ventilator's requirement for smoke exhaust is not very high. The light-weight natural ventilator are not suitable for these places with strong winds or blizzards. The load is smaller, the wind resistance will be better, and there is better adaptability. The height of thin ventilation skylights is generally within 630mm. They are characterized by light weight. Compared with some large-scale high-capacity ventilators, their structural steel consumption is relatively less, which can reduce the total investment, and the overall cost is more economical and practical. As smoke vents manufacturer, Mcwell's labyrinth industrial ventilator is commonly used by industrial enterprise.