1. The classic new Chinese style retro style;

2. Automatic locking function, close protection;

3. System profile design. Fully hidden pulley assembly;

4. Any fan combination. Free collocation;

5. Optional pillar-free 90 degrees angle, super open;

6. Three cavities with bridge-cuts and arc-shaped three-dimensional lines;

7. 5+21A+5 big and hollow space, the lattice can be inside or outside;

8. Outdoor anti-pinch design, safe and considerate;

9. Double-frame adjustable structure, easy installation and debugging