1, it's best to choose the fishbone skeleton as the sofa frame, because the fishbone skeleton is more elastic and breathable than the wooden board, which makes people feel more comfortable.

2, material quality:

If you press the armrest and backrest of the sofa by hand, if you can clearly feel the existence of the wooden frame, it proves that the filling density of this sofa is not high and the elasticity is not good enough. The easily crushed wooden frame of sofa will also accelerate the wear of sofa cover and reduce the service life of sofa.

3, sofa feel:

Whether there is skin irritation, observe whether the fabric color of each part of the sofa is uniform, whether the seams are firm and smooth, and whether the workmanship is fine.

4. Sofa skeleton:

The specific method is to lift one end of the three-person sofa, and pay attention to whether the legs at the other end are off the ground when the part is lifted off the ground 10cm. Only when the other end is off the ground can it be considered as qualified.