Axial flow fan is also called local ventilator, is a fan commonly used in industrial and mining enterprises, it is different from the general fan, its motor and blade are in a cylinder, shape is a cylinder, used for local ventilation, convenient installation, ventilation effect is obvious, safe, can be connected to the air duct to the designated area.

DTF series reversible metro tunnel axial fan has been proved by repeated tests and users to have high efficiency, wide efficiency zone, positive and negative efficiency.