High quality Rack Arm for Ventilation with good rack and pinion price

Products Main Advantages

1. widely used in greenhouse electrical  ventilation

2. stable, safe and reliable performance

3. economical amd practical

4. used with Pinion  to drive curtain

5. large area for ventilation

Specification for the rack and pinion price

We have different  rack and pinion length for ventilation and shading

Pls contact for pictures and model.

Detail pictures for rack and pinion price