When you stare at the various LED displays on shopping websites, with prices ranging from thousands to hundreds of thousands, do you feel like your head is going to explode? Don't worry, let me tell you a real story first - last year, a shopping mall manager bought a batch of low-priced screens for cheap. As a result, on the opening day, color blocks appeared on the large screens, and the entire event was overturned. Today, I will walk you through the purchasing process to save you three years of detours.

​​The first question: How to judge the strength of the manufacturer? ​ ​
These three points are absolutely correct:

1. ​​Do you have a self-built factory?​ ​(Small workshops are all OEM production)
2. ​​The quality inspection report is incomplete​ ​(ISO and CE certifications are indispensable)
3. ​​Is the export ratio high?​ ​(Japanese and Korean markets focus on quality)

For example, the fence screen made by a large Shenzhen factory for the Tokyo Stadium can operate stably in heavy rain days because of​ ​IP65 protection level​ ​and​ ​Military grade cooling system​ ​. For this kind of hard-core configuration, you should focus on the parameter list.​ ​Refresh rate ≥1920Hz​ ​and​ ​Automatic brightness adjustment​ ​Function, the outdoor screen does not have a brightness of 4000cd/m² and cannot withstand sunlight at all.

​​Second question: What is the difference between professional screens and ordinary screens? ​ ​
It's like buying a kitchen knife. The one used to cut meat is definitely different from the one used to chop bones:

• The stage floor tile screen must be able to withstand trampling (with a load-bearing capacity of at least 2 tons)
• Transparent window screens must have a light transmittance of ≥85%
• Sports event screen must support​ ​Millisecond response​​

A bar owner complained to me that his interactive floor tile screen was always delayed, and the guests seemed to be dancing in slow motion. Later I changed the belt​ ​Low brightness and high gray technology​ ​The screen has a brightness of 800cd/m² and is not dazzling at night, and the color transition is particularly smooth. So​ ​Brightness is not better when it is higher​ ​, the key is to match the usage scenario.

​​Question 3: How to avoid pitfalls in after-sales guarantee? ​ ​
Remember this comparison list:

I know a chain convenience store owner. The manufacturer he chooses can​ ​Diagnose faults remotely​ ​, one time the poster screen went black, and the technician’s video guidance restored the signal within ten minutes. This kind of​ ​Full life cycle service​ ​It is really worry-free and much more cost-effective than saving thousands of dollars in equipment fees.

Editor's opinion: Buying an LED data screen is like looking for a partner. You can't just look at the face (price), but also the connotation (technology) and sense of responsibility (after-sales). Next time you purchase, remember to check the manufacturer’s​ ​Actual cases​ ​and​ ​Engineering team​ ​, after all, those who can make curved advertising screens and customized event systems must have two brushes in their hands.

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