The best choice of ventilation and cooling the temperature in the factory and greenhouse. Main structure: Shutter linkage: made of new nylon material....
The best choice of ventilation and cooling the temperature in the factory and greenhouse. Main structure: Shutter: having two kinds for choice: zinc ....
Main structure: Bearing: same as that in car wheel,high intensity and duration. PARAMETER Type YS100 YS125 YS140 Blade dia.(mm) 1000 1250 1400 Shutter ...
Main structure: Automatic opening system: the transmission belt uses automatic tight system, won’y relax, fall from the belt,operated simply. The ......