With vector graphics, both AI and coreldRAW can make vector graphics, and there will be no sawtooth at any magnification. And cartoon graphics are easy to draw with software. As long as you give the graphics to the advertising company, they will certainly be able to make them. You should know that advertising companies do a lot of things. It's so easy to design a trademark atlas poster and draw a cartoon. Ps: Call the advertising company if you can't find the vector diagram. If you can find it, just give it directly to the wallpaper maker.