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SDF(P4) variable frequency series tunnel


Drilling and blasting construction and shield construction pressure ventilation for highway, railway, hydropower projects and other underground tunnel projects.

SSF Jet Series


Highway tunnel operational ventilation; Highway tunnel operational ventilation; Tunnel construction auxiliary ventilation

SFC tunnel extraction series


Suitable for tunnel shafts and roadway-type exhaust ventilation. Suitable for tunnel shafts and roadway-type exhaust ventilation.

FB series


Mainly used for intake roadways in coal mines with the risk of gas, for medium and long-distance ventilation.

What are the classifications of fans?


Fans are ventilation and gas delivery devices widely used in industries, construction, environmental protection, and other fields.

The definition and uses of fans.


A fan, also known as a ventilator, is a device that utilizes the movement of gas to achieve energy conversion and gas transportation.

The Wonderful Uses of Blowers: From Exhaust to Speed Regulation


Blowers have a wide range of applications in our daily lives, and their main function is to provide forced airflow to meet various needs.

The main characteristics of VOC fans.


VOC fans, or volatile organic compound fans, are specially designed fan equipment used to handle air emissions containing VOCs.

Basic Knowledge and Selection Methods of Fans


Fans, an important type of fluid machinery, are widely used in scenarios such as air convection, ventilation, and cooling.

Classification and Function of Roof Fans


Rooftop fans are devices widely used in building ventilation and air conditioning, and their classification and function hold significant importance in architectural design and environmental protection.