- Greenhouse manual film roll device: The manual crank winch on the side wall can help the ventilation of the side and roof of your greenhouse flourish and create a better environment for plants.
- Durable: The greenhouse hand winch is mainly made of safe, sturdy and durable metal materials with a long service life.
- Automatic locking: The greenhouse film hand crank is self-locking, and the automatic brake fixes the side wall in the proper position.
- Save human resources: If you want to ventilate the greenhouse, you can use our greenhouse film roll-up device, our greenhouse ventilation device is easy to use, even one person can quickly roll up the film.
- Wide range of applications: greenhouse film coilers are suitable for breeding greenhouses, flower greenhouses, connecting film greenhouses, and fruit greenhouses.