1. Widely used in livestock and poultry curtainventilation to roll up the curtain;

2. Sold to more than twenty oversea customers inEurope, USA, Asian every year; 

3. Three models available

4. Three applications:

Application 1: working with creeper,

Application 2: working with mountain bracket,

Application 3: Working with telescope tube.

5. For safety, the electric roll-up unit must workwith 24VDC power

6. Three years quality guarantee; 

Electric roll-up unitfor livestock and poultry curtain ventilation