1. Ouch! How much does it cost to make an LED screen?

The most common pitfall for novices is losing control of their budget. Last week I met the owner of a hotpot restaurant. He originally planned to spend 50,000 yuan on the door screen, but ended up spending 110,000 yuan - all the extra money was spent on​ ​Hidden costs​ ​It’s in! Let’s do some math:

The owner of the hot pot restaurant suffered the consequences of being ignorant: he bought an extra backup power supply that he couldn't use, and was charged double the fee for working at heights. Actually now​ ​Intelligent brightness adjustment technology​ ​It can save 30% of the electricity bill. In five years, you can save the money of 2 screens!

2. What devilish details are hidden in the production process?

1. ​​design stage​​：

   • Be sure to get the on-site light test report (the data at 10 a.m. is the most accurate)
   • Ask the master to come up with 3 sets of brightness plans (don’t believe the nonsense of “one set is universal”)

2. ​​production stage​​：

   • Pay close attention to the cabinet seam tolerance (do not accept anything >0.5mm)
   • Randomly check driver IC batches (mixing different batches will lead to short life)

3. ​​acceptance stage​​：

   • Use a steel ruler with a handle to measure flatness (diagonal errors exceeding 3mm must be reworked)
   • Take slow-motion videos with your mobile phone (if the refresh rate is lower than 1920Hz, your eyes will be blinded)

Last year, the large screen in the atrium of a shopping mall was a negative example: because we did not measure the strong sunlight from the west in the afternoon, the screen turned out to be so bright that all the customers ran away. In the end, we had to install a hood and spent an additional 40,000 yuan.

3. Black workshops are most afraid of you asking these three questions

​​Q1: Can I use second-hand lamp beads? ​ ​
Never! Second-hand lamp beads look cheap, but the color difference can be so great that it makes you question your life. Let me teach you how to detect soil: cover the screen with a piece of white paper and turn on the solid color mode. If the light transmission is uneven, pass it directly!

​​Q2: Does the warranty cover man-made damage? ​ ​
There are so many ways to go here! Are things damaged by heavy rain, unstable voltage, or even corrosion caused by bird droppings considered "man-made"? remember to​ ​Written confirmation of warranty coverage for 12 common fault categories​​。

​​Q3: Will you compensate for the loss of the venue if there is an accident? ​ ​
Last year, a supermarket screen fell off and damaged the shelves. The manufacturer blamed the installation team for the problem. Therefore, it must be stated in the contract​ ​“Joint and Several Liability Protection”​ ​, it is best for manufacturers to buy site accident insurance.

4. Hidden benefits that only veteran drivers know about

1. Ordering in winter is 18% cheaper than in peak season (manufacturers focus on annual performance)
2. Select belt​ ​Automatic dust removal function​ ​Model, save 6,000 yuan in cleaning fees in three years
3. Ask the manufacturer to give you a spare power module (market price 800 yuan/unit)

There is a milk tea shop owner who is very good at settling accounts: he specifically chooses to install after the rainy season, which not only avoids the peak installation period, but also tests the moisture-proof performance of the screen. In the end, he saves labor costs and needs to extend the warranty for three years.

Let me tell you, this industry is indeed deep, but remember​ ​“Three points depends on the product and seven points depends on the service.”​ ​It can't be wrong. Recent industry data shows that choosing a full-process service provider saves 32,000 per order than purchasing separately, and the delivery speed is 15 days faster. Next time you see someone who slaps their chest and says "absolutely the lowest price", you have to think louder!

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