Are you also having a headache about buying creative LED screens? The transparent window screen in the mall is priced at 680,000 yuan, and the same size of the online store is only 230,000 yuan - the difference is enough to buy a Tesla! What’s worse is that many people spend money, but after installing, they find that the screen reflects during the day and flashes at night. Today we will open up our industry underwear and talk about it​The survival rules that must be mastered for buying creative screens​​。

​​Look at the cost composition first​
Don’t be fooled by sales and just look at the unit price of the screen! Last year, a bar owner installed a dance floor tiles screen, and signed a contract of 180,000, but in the end he spent 310,000. Here is the real cost for you to dismantle:

• ​Hardware fees​: Account for 55%-60% (screen + control system)
• ​Structural fee​: 20%-25% (steel structure bracket, heat dissipation system)
• ​Invisible consumption​: 15%-20% (transport lifting, software authorization, three-year maintenance)

There is a trick:Require sub-quotation​. Especially for transparent screens with 86% transmissibility, it is necessary to confirm whether the glass curtain wall renovation fee is included. There was once a shopping mall project, but because the steel structure load bearing was not confirmed in advance, it cost 110,000 more to reinforce later.

​Process traps cannot be prevented​
Do you think it's over to sign the contract? wrong! There are at least 8 links from placing an order to install the price may be increased:

1. After the deposit is paid, the expedited fee is required (Japan-Korea shipping saves 40% of the freight compared to air transportation)
2. Temporary charge for use of a climbing car during installation (800-1200 yuan per hour)
3. Promotion content production service during debugging stage (10-second video price is 20,000 yuan)

Teach you a trick:​In the contract, state "all-inclusive price includes items"​​, especially locking in these three items:

• DDP terms for cross-border logistics (tax included)
• Insurance costs for construction workers
• Permanent right to use the control software

​Word game in parameters​
The "high-definition screen" in the sales mouth may be the eliminated P4 model, and a real creative screen depends on these hard indicators:

• ​​Refresh rate ≥3840Hz​​ (Test method: use Apple phone to shoot the screen in slow motion, and return the product if it appears black bars)
• ​​Brightness adaptation​(Direct pass with indoor screen below 800cd/m²)
• ​​Protection level​(IP65 is the bottom line of outdoor screens, and additional salt spray tests are required for beachside projects)

Last year, an internet celebrity restaurant installed interactive floor tiles screens. They chose IP43 protection with cheap price. As a result, the wine splashed and caused a short circuit, which was enough to buy three new screens.

​​Installation and acceptance of life and death lines​
The most susceptible thing to be cheated is the acceptance process! Remember these three nodes must be watched by themselves:

1. ​​Power-on aging test​: Play continuously for 72 hours of white/red/blue solid background
2. ​Pixel point detection​: If there are more than 3 bad points per square meter, it will be rejected directly
3. ​Structural load-bearing report​: The lifting screen must provide a steel structure calculation book

A lesson from blood and tears: the rental screen used in a certain exhibition did not undergo a shock-resistant test, but the screen collapsed and injured the audience, and the organizer paid 2.3 million yuan. So​Magnesium aluminum alloy box + quick disassembly structure is the kingdom​, the installation efficiency is improved by 60%.

Now let’s talk about the truth that offends people: this industry​​If the quote is lower than 30% of the market price, it is definitely cutting corners​. For example, if the control chip is replaced from imported to a copycat version, the module splicing error will be amplified to 2mm (the national standard is ≤0.5mm). Next time I encounter a salesman who boasts about "German craftsmanship", I directly ask him to present a customs declaration form and original manufacturer certificate - real gold is not afraid of fire, and the one who dares to show off his underwear is the real boss.

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