Los Angeles Fancy Exterior Aluminum Frame Double Layer Tempered Glass Exterior Folding Patio Door

1. The guide groove of the door frame adopts a separate structure, which effectively prevents opening and has high anti-theft performance; 2. The large cross-section design of the profile, the material of the inner leaf adopts an integrated design, and the principle of equal pressure and decompression between the outer frame and the inner leaf improves the airtightness of the door and window And the torsion resistance of the profile itself, drop hammer impact, etc. Ensure that the doors and windows in cold areas are not easy to crack; 3. The door frame adopts a double-cavity design, which is rigid and has an independent drainage chamber to ensure smooth drainage under any circumstances. 4. The four corners of the window sash are reinforced with stainless steel corners, and the 45-degree angle is more accurate;