1. CE/SONCAP Certificate; 2. UV resistant; 3. High quality hardware: multi-point handle and lock; *4. Eco-friendly; PVC Single ... -grain color, etc.Customized6Glassa. Low-E glass, Tempered glass, OBS glass, etc.Customizedb. Thickness: 4mm, 5mm, 6mm, 8mm, etc.c. Space: 6mm, 9mm, 12mm ...