1. Frame material:steel
2. Board material: 18mm Non-slip waterproof plywood or aluminum steel plates, 18mm thickness plywood, antiskid, waterproof.
3. Size(L*W):according to clients' needs, Height during every layer: 0.25m
4. Feature:Professional welders and engineers to ensure high quality bleachers.
5. Application: for indoor or outdoor events,sports,concerts,theatre and so on.
6. 1-20rows for option