1, higher safety: Sophia's 5mm backboard nail fixation can prevent the backboard from falling off the furniture skeleton, thus reducing the potential safety hazard in furniture use. Oupai's 5mm backboard will fall off the furniture skeleton, which increases the safety hidden trouble in furniture use.

2. Simple construction: Fixing the back plate of Sophia's 5mm back plate with nails is relatively simple to install, and it can be quickly fixed by using tools such as nail gun, with high construction efficiency. Ou Pai's 5mm backplane card installation is quite complicated and the construction efficiency is low.