Want to know how a 72-panel industrial exhaust fan achieves a maximum airflow of 120,193 m³? In this video, we take you inside Guangzhou DaoYe Metal Trade Co., Ltd., a 20-year expert in manufacturing high-performance security and ventilation solutions. You'll see a detailed walkthrough of the fan's robust construction, explore its integration with invisible grills for enhanced safety, and learn how this powerful system is engineered for commercial buildings and industrial applications worldwide.