1. Unfold the box
2. Place PE film on the ground
3. Parts
4. Main frames assembly 1
5. Main frames assembly 2
6. Screen assembly 1
7. Screen assembly 2
8. Spring the screen 1
9. Spring the screen 2
10. Spring the screen 3
11. Spring the screen 4
12. Outer frames assembly 1
13. Outer frames assembly 2
14. Outer frames assembly 3
15. Hang on the frame
