Packing: Pitched kraft paper, keeping well package and damp-proof
Thickness of material: 4.5mm
Advantages:
2. Thickness of rail: 4.5mm, more stable and durable
3. D-type rungs, less pressure when standing on
4. Advanced technology of squeeze riveting, keeping good connection between rungs and rails
5. Different functions are finished by using the locking device
6. When folded, it is eay and convenient for carrying, transportation and storage
7. In compliance with GB17620-2008 and SGS