1. The air inlet window system is driven by automatic control motor characterized by slow output speed, heavy load and low failure rate, which can provide the air inlet window system with safe, effective and long-lasting power support.

2. The air inlet window system is equipped with a corner pulley made of nylon+glass fiber, and so it is wear-resistant and of long service life. It can facilitate the steering of load cable and the installation of the drive motor.

3. The air inlet window system is equipped with an aluminum alloy guide plate, which can be opened to a different extent according to the structure of poultry house and as required by ventilation, so as to ensure that the air ventilated via the small window can be blown the center part of poultry house.

4. At the air inlet window drive is provided with turnbuckles for fine-tuning, so as to ensure the small windows at both sides to be opened or closed siacresltaneously.