Outer frame adopt excellent galvanized steel,thickness is 180g/m²,to ensure no rusting in the using.
Shutters has a light weight, which enable them to operate very easily. Thickness is 0.45mm, zinc is 180g/m².
With reasonable designed mounting plate, which made the installation easier and convenient.
Customers can choose to install the excellent protection net,which can protect the buds from coming into the shutters. Shutters are made of hot-dip zinc,never rust.