An industrial fan factory manufactures high-performance fans used in large-scale commercial, manufacturing, and processing environments to provide ventilation, cooling, or air movement for specific applications. These factories produce a wide range of custom and standard fans, including centrifugal, axial, and blower models, designed for robust airflow and durability. They can specialize in products for industries like chemicals, metallurgy, power generation, and food processing, as well as HVAC systems.