Booster Greenhouse Film Manual Winch Roller Greenhouse Accessories PVC Coated Roof Ventilation

 Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand

Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand

Manual Roll Up Unit can roll up a length of 120-150 meter, running stably with fine out side looking and long time of usage. The inside drive gears are made of high quality steel with fine workmanship, and what is more, there is lubricating bearing assembled on the out put and input shaft. At the meantime, there is also a group of reverse gear added to it. All these make the unit to be light and successfully solved the question of high sidewall ventilation for plastic greenhouse.

Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank 

Features:

1.Easy to install and operate

2.Reliable performance of bidirectional self-locking

3.Add the transition gear in the transmission system with more stead performance

4.Big speed ratio and output torque; Light weight

5.Widely used in greenhouse and poultry house and can manually operate small area of shading

6.Three years quality guarantee

Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank Greenhouse Manual Hand Crank