Suggest location: porch, separation of room

Profile option: aluminum, PVC, wood, aluminum & wood, aluminum & PVC

Glass option: single glass, heat-reflection glass, Low-e glass, double glass, laminated glass, bullet-resisting glass

Hardware: hardware special for bi-folding doors

Options: sub-frame, grilles, blinds.

Suitable location: viewing balcony, indoor partition and other parts.

Main window types: 321, 330, 431, 532, 541, 550, 651, 633, 761, 770 and so on

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