SDB series industrial fan（HVLS fan） is a new energy-saving industrial fan newly developed by ZGC.It adopts BLDC motor technology. The maximum diameter can reach 7.3 meters. With compact size, better performance, lower energy consumption and longer life, it perfectly solves the problem of ventilation and cooling in large spaces and improves the comfort of the environment,Can be widely used in factories, warehouses, commercial centers, train stations, airports, exhibition halls, animal farms.