★For greenhouse top ventilation.
1. Easy to install and operate;
2. Add the transition gear in the transmission system with more steady performance;
3. Big speed ratio and output torque, light weight;
4. Wide application: besides greenhouse vent, it also can be used for ventilation driven by rack and pinion system by hand in small area;
5. Reliable performance of self-locking;
6. Suitable for Φ22 or Φ27.5 rolling tube;
7. 3 years warranty.
For greenhouse top ventilation.
Add：Bldg. 5, CAAS, Beijing, China
Tel ：+86 10 62149667
Fax：+86 10 82108614