How long can wall advertisements last?

First, the definition of wall advertising

Select the walls of various buildings in suburbs, expressways, provincial highways, national highways, both sides of railways and rural highways, and use them.

Advertisements drawn on the wall by professional advertising materials are called wall advertisements.

Second, the characteristics of wall advertising

1, low cost: according to the current price, the cost of wall advertising is about 500% to 800% of that of street sign advertising.

One of them.

2. Long time: After the wall advertisement is completed, the damage rate is generally 20-30% in the first year and 20-30% in the second year.

40-50%, 60-80% in the third year. It can be seen that wall advertising is effective within three years, and it is only a process of reduction, and its advertising time limit is longer than other advertising forms. . .

For reference!