Bi fold aluminum doors with glass for house on China WDMA patio door airtight and sound insulation better

airtight and sound insulation better

Mesh :Stainless steel security mesh

A:Commonly we sell the parts of our products

aluminium double exterior door

Bi fold aluminum doors with glass for house on China WDMA patio door airtight and sound insulation betterPRODUCT FEATURES: 1. Good highly resistant to corrosion, sound insulation. 2. Excellent thermal insulation capacity. 3. Sealed casement stays for improved durability and smooth operation. 4. Shock resistance, effective resistance to wind, air tightness better. 5. Rigorously tested to guarantee everlasting quality. PRODUCT BENEFITS: 1. Little space occupation, easy to install screen window. 2. High precision program control, quality and stability