What should I do if the new and old colors of billboard spray paint are different?

I、What are the differences between the effects of spray painting and spray painting on large outdoor billboards?
1. The production of large outdoor billboards by spray painting was a process 10 years ago, and it has now been eliminated;
2. The cost of spray painting 10 years ago: consumption of paint and tools About 25 yuan per square meter, labor cost is 20 yuan per square meter, totaling 37 yuan per square meter;
3. Inkjet printing production fee is 10 yuan per square meter, installation fee is 3 yuan per square meter, totaling 13 yuan per square meter;
4. Compared with hatchbacks, the paint cost is more expensive, the picture restoration quality is low, the production quality depends entirely on the level of the artist, it is easy to fade and peel off, and the paint production takes a long time (about 20 square meters of paint per day, and thousands of square meters of spray painting).
5. 370 meters * 170 meters high. This value is so terrifying that it may be included in the Guinness Book of Records.

II、I am not satisfied with the color of the aluminum plastic board billboard just installed. It is a pity to change it. What kind of paint can I use or how to deal with it so that it will not fall off?
In this case, you can use baking paint to have better adhesion.
A hand-swept paint can last for a while.
Since I have chosen an aluminum-plastic panel (color) like Bijiao, I will use it for a year and a half.< br/>If you really feel unsatisfied in the end, then it’s okay to consider replacing it.

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