large opening bi fold door on China WDMA patio door Wall thickness:1

Wall thickness:1

*Experience--Founded in 2004

as customers requirement

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Q3: Is it the louvre roof/pergola rain proof

large opening bi fold door on China WDMA patio door Wall thickness:1Large opening bi fold door Folding design, the open space can achieve the greatest extent, so that indoor and outdoor access, a wide field of vision. Our aluminum folding doors (also known as bi folding doors, bi fold doors or folding sliding doors) are designed for large glass openings. The elegant, precision aluminum folding doors meet the most challenging architectural specifications. Specification No Item Details 1 Product name aluminum folding