Greenhouse Manual Film Sidewall Roll Up Unit Winches for Ventilation Manual Winch Film Roll Up Unit Sidewall Hand Roll Up Hand

China Gold Supplier Manual Winch Film Roll Up Unit Sidewall Hand Roll Up Hand Crank

Outstanding Features:

1, easy installation and operation for the greenhosue

2, widely used for greenhouse ventilation

3, easy auto control

Values:

1, Improve the greenhouse ventilation

2, Reduce the labor costs

3, Create a better environment for plants

4, Increase the plants production

1, Small occupy, easy to install and Labor saving.

2, Used for greenhouse , poultry ventilation.

3, Waterproof motor and durable, long life span.

Film roll up motor is one ventilator of greenhouse ventilation system. Attaching model with Manual operation which can be used for years with low price, and it's mainly applied to side ventilation system.