You must have seen cool advertising screens that are dozens of meters long on the exterior walls of shopping malls? Have you also tried to install a piece of your store? My neighbor Lao Wang spent 80,000 yuan to buy a screen last year, but snowflakes appeared on the screen during the rainy season, and the merchant had already run away. Today we will break it apart and talk about how novice Xiaobai should avoid these pitfalls.

​​First figure out what kind of advertising screen you want​​
Even though they are called LED advertising screens, there is a big difference here. Hanged at the door of the snack bar​ ​Poster screen​ ​and the roof of the shopping center​ ​Giant screen​ ​It's not the same thing at all:

• Remember indoor use​ ​800-1200cd/m² brightness​ ​It's too bright, customers' eyes hurt
• Must be outdoors​ ​Starting at 4000cd/m²​ ​, otherwise there would be a blackboard under the sunshine at noon
• ​​Refresh rate 1920Hz​ ​It's the bottom line, otherwise the video shooting will be full of ripple lines

There is a manufacturer that supplies goods to Southeast Asian shopping malls and they installed it last year​ ​Arc screen​ ​After playing dynamic advertisements, the store’s customer traffic increased by 40% - this shows that choosing the right screen can really bring real money.

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​​There is something hidden in the purchasing channel​​
Now the three mainstream buying methods:

1. Look for it directly​ ​Source manufacturer​ ​(Suitable for large orders that cost more than 10 yuan)
2. local​ ​Service provider​ ​(Add price increase but worry-free)
3. Online shopping platform (the most risky, I have seen people who send wrong goods)

The key point is:​ ​Must look at the actual shooting of the production workshop​ ​! For truly powerful manufacturers, fully automatic chip patch machines and aging test rooms are standard. I heard that there is a factory in Shenzhen with a monthly output of 10,000 square meters. Each screen must be lit up continuously for three days and three nights. This kind of fighting quality is reliable.

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​​Self-question: How to identify counterfeit goods? ​ ​
Q: Merchants say they are regular manufacturers, how should they verify it?
A: Teach you three tricks:

1. Is there any burrs on the screen?​ ​Aluminum magnesium zinc alloy box​ ​Should be smooth)
2. Take a slow motion picture with your phone to see if there are any flickering stripes
3. Request a presentation​ ​CE/CCC certification number​ ​, the one that can be checked on the official website

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​​After-sales service is the touchstone​​
The most outrageous case I have ever seen is that the merchant in the screen water refuses to protect the insurance, and later I found out that I want to watch it​ ​IP65 waterproof certification​ ​. There will be reliable manufacturers​ ​24-hour video technical support​ ​Last time I heard that I encountered technical problems when installing screens in a shopping mall in Tokyo, the engineer turned on the video to guide the debugging remotely at 3 a.m. - This kind of service is called real guarantee.

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The editor said heartfelt words: Don’t compare prices when buying advertising screens, you need to read them​ ​Do you dare to give a five-year warranty​​、​​Can you provide installation instructions?​​、​​Are there any similar project cases​ ​. Next time I encountered a salesperson who was so scattered, I asked him to video-link the workshop site - it was a mule or a horse, and I only found out if I took it out for a walk.

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