Hey, you said that the LED creative screens on the streets are now full of LEDs, floor tiles screens that dance in shopping malls, Rubik's cube screens that interact in bars, and window screens that are as transparent as glass, are dazzling. But when I really want to buy it, I searched through Taobao and Dong and was worried - who should I buy this thing? Today we broke it apart and talked about the ways to buy creative screens.

​​1. Three major procurement channels​
Let me talk about a cold knowledge first: buying a creative screen now is like finding a partner, it depends on whether you want to "love freely" or "blind date introduction". There are three main ways on the market:

1. ​Online Express​
   Alibaba International has gathered 165,000+ LED screen merchants, with prices ranging from tens to hundreds of thousands. But you have to be very eye-catching. Last year, a friend bought a spherical screen priced at 76,000 yuan cheaply. As a result, he found that he was using an ordinary module to fight hard, and the gap was so big that he could stuff coins. Focus on these three points:

• How long does the store last (old stores over five years are more stable)
• Do you dare to give real-life videos (you need to have a watermark for time)
• After-sales terms are not written clearly (how many years have you been installing the package on the door)

1. ​​Elderly drivers lead the way​
   There are more than 200 LED factories hidden in the industrial park in Bao'an District, Shenzhen, but the "creative screen production base" will not be marked on the map. Teach you a trick - follow the glass freight truck. Those factories that were still unloading tempered glass in the middle of the night were mostly made transparent screens. One customer was even more amazing. He took the samples to the factory for "resistance testing" and rushed to the screen with a water gun for half an hour.

2. ​​Exhibition Gold Rush​​
   The LED exhibition in Guangzhou and the advertising technology exhibition in Shanghai are like the "blind date conference" of creative screens. Last year, I saw a ruthless work at the exhibition - the floor tiles can bloom when you step on it, and the Rubik's Cube screen will change its formation with a wave of your hand. However, be careful of the "concept aircraft". The flying theater screens exhibited by merchants last year were only two years after the customer placed an order.

​​2. Word game in parameters​
Don’t be fooled by the merchant’s words “transmission rate 86%” and “refresh rate 3840Hz”. The trick here is deep:

I saw a manufacturer last month even more amazing - I soaked the transparent screen that is currently playing underwater world directly into the fish tank, and displayed it while bubbles appear. This kind of intuitive test is more effective than any certification.

​​3. Customized service mirror​
Want a unique creative screen? Pass these three levels first:

1. ​​Design drawings need to be "three views"​
   Don’t just give a front rendering. Last year, a customer customized a tree-shaped screen. When he arrived, he found that the wiring on the back was like a spider web. Remember to:

• Structural section diagram (see the internal heat dissipation channel)
• Installation node diagram (screw hole position is accurate to millimeters)
• Maintenance diagram (how to change the lamp beads and not remove the entire screen)

1. ​​Proof Ferry’s knowledge​
   The industry rules are proofing fee = material fee x3, but some unscrupulous factories charge 5 times. I will teach you a tip for bargaining - promise to deduct the proofing fee for mass production orders. Last year, I saved 28,000 yuan with this trick.

2. ​​The acceptance must be "everyone comes to find fault"​
   With a red laser pointer, sweep the screen 45° slant during acceptance. Whenever there are depressions or bulges, the spot will deform. Once I inspected the goods, I found five dark spots, and I asked the manufacturer to change the module on the spot before signing.

​​4. The life and death line of after-sales service​
What are the most feared when buying creative screens? It's not expensive, it's broken, no one cares about it! Keep these three "life-saving symbols" in mind:

1. ​​Response time must be written into the contract​
   "24-hour response" Taixu must be written as "Eastern cities come to the door for 48 hours, and west 72 hours". The most realistic contract I have ever seen says: "One thousandth of the payment per day after time."

2. ​​Training requires "fool-style teaching"​
   Don’t listen to “engineer’s on-site guidance”, just bring pictures and text operating manuals. The operation video given by a factory actually explained it in dialect, which made people confused.

3. ​​Spare parts library to be inspected on the spot​​
   Can you provide accessories for 10 years? Let’s go to their warehouse first to see if there are any lamp beads of the same model. Last year, a customer's spherical screen broke two lamp beads, but the manufacturer said that the model was discontinued three years ago.

The editor: If you want me to say that buying a creative screen is like stewing old hot soup - you can't be anxious. Those manufacturers that are full of fantasy often cannot withstand field investigations. Next time, if you encounter a salesperson who is urging you to place an order, just throw this article over and make sure that he will not dare to fool you anymore. Remember, a good screen is not afraid of tests, or a good screen is not a good screen!

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