External installation of shutters

External installation refers to the installation of balcony shutters on the outside of the window, which is also a common installation method of iron shutters in practice. Most owners use external installation. Features of external installation: It does not affect the normal use of the inner windows. It constitutes the first security barrier to the outside, and has better anti-theft performance. Easy to install and maintain. Compared with a single building, the appearance is more beautiful.

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