Who should I call for wallpaper construction?

You buy wallpaper, and there are workers in the shop.

I bought the wallpaper at Ruibao's house, and their workers posted a roll of wallpaper for seventy.

The price is cheaper than looking for workers outside, and the after-sales service is guaranteed.

Go outside and find someone to post it. If you don't post it well, it will be difficult for you to find him again.