Here is an introduction to the structure of the negative pressure fan. Fan casing: the outer frame and shutters are made of galvanized sheet material and moulded.

Animal husbandry fan is an important product in animal husbandry industry. In the process of operation of animal husbandry fan, its ventilation capacity is also required. Let's take a look.

The main function of the push-pull fan is to cool and exhaust, so do you understand its ventilation principle?