Ventilation system
Truss rack and pinion is the most import parts of truss mounting ventilation system.
Aluminium rack and pinion
Continuous ventilation accessories includes window bracket, bearing plate, mounting plate, etc.
Pinion frame is made of galvanized steel sheet, is gearing with teeth accurately, low noise, reliable performance.
The ventilation rack is a very important part of the ventilation system, mainly play the role of driving in the greenhouse ventilation system.