1. The choir stage adopts a steel wood structure, which is beautiful, has good load-bearing capacity, and can be used for both straight and curved lines. It has a fast folding speed and can complete the task of quickly getting on stage;

2. There are universal wheels under the choir stage, which are easy to move. The pedals are made of wooden wrapped gray national standard flame-retardant carpet, which has good anti slip effect;

3. Size of choir stage: The choir stage has three layers. The first layer is 1.05m long from left to right at the front end and 1.10m long at the back end. The second layer is 1.10m long from left to right at the front end and 1.15m long at the back end. The third layer is 1.15m long from left to right at the front end and 1.20m long at the back end;

4. The width of each layer board is ≥ 45cm, the height of each layer is ≥ 20cm, and the total height excluding guardrails is ≥ 60cm;

5. Guardrail height ≥ 60cm;

6. The main material is 25 * 25mm and 25 * 50mm, with 1.4mm thick galvanized pipe. The pedal is made of 18mm national standard flame-retardant multi-layer board, and each group has 4 universal wheels for easy movement.