Step 1: 1. Remove the product from the packaging box.
2. Set aside the wheels and other parts.
3. Adjust the platform to match the state shown in the picture to prepare for
installation.
Step 2: 1. Unlock the folding lock (1), as illustrated in the picture.
2. Simultaneously press the large joints on both sides (2).
3. Expand (3) in the direction indicated in the picture.
4. Fully expand the platform (4).