1. When fully opened, the door provides 90% ventilation.
2. A narrow, medium-sized visible surface with beveled glass sash creates a modern, minimalist, narrow-edge design.
3. The folding sash features a concealed handle for a more coordinated overall window effect.
4. High load-bearing capacity with coordinated upper and lower sections, ensuring smooth sliding and pulling, with a load capacity of up to 110 kg.
5. The main load-bearing wall is 2.2 mm thick, and the glass sash is reinforced for enhanced safety.