Are you worried about store opening or event planning in Linzhi? Anyone who wants to build a cool large LED screen but can't find a reliable custom manufacturer is troubled. Last year, my friend ran into a problem when he opened a restaurant on Bayi Road - the display screen, which cost 80,000 yuan to install, was so reflective that it looked like a mirror during the day, and flickered when playing videos at night. In the end, it had to be dismantled and rebuilt. Newbies who want to avoid stepping into pitfalls have to brighten their eyes.

​​First find out the hard power of the custom shop​ ​. Don't rush in just by looking at the "LED customization" sign hanging on the street. You have to ask three key questions first: Do you have your own factory? Does the production workshop have ISO certification? Can the technical team provide 24-hour response? Last year, a Tibetan hotel suffered from this problem when it built a lobby display screen. The middleman it hired changed hands three times, and in the end it couldn't even find anyone to repair it. Let me tell you an industry insider secret: For truly powerful manufacturers, real-life videos of their production bases can be found on their official websites.

​​The customization process hides these doorways​ ​. From drawing design to installation and debugging, reliable merchants will send engineers to your home more than three times. You should bring an infrared rangefinder with you when measuring the dimensions for the first time. Especially for the installation location under the eaves, rain erosion should be taken into consideration. ； For the second debugging, I had to bring a signal generator to test the display effects at different angles. ； The third acceptance must be chosen at noon when the sun is strongest. Here is a lesson learned from blood and tears - the curved screen of a certain cultural and creative garden had color patches and faults on time at three o'clock every day because it was not tested for western sunlight in the afternoon.

The price is more tricky than expected. Ordinary P6 screens are priced at 3,000-4,500 yuan per square meter, but if they are waterproof, the price rises to 6,000 yuan or more. Here is a tip for bargaining: Ask merchants to quote the control system separately. Many stores can cut off 15% of the space in this area. Be careful if you hear the term "all-inclusive price". Adding a cooling module later may cost tens of thousands more.

​​Be particular about the choice of installation location​ ​. For shops facing the street, the preferred location is 30 centimeters under the eaves, which can provide shelter from rain without affecting walking. ； In plateau areas, special attention should be paid to avoid strong wind zones. The brackets must be made of thickened galvanized steel. ； The common sloping roof structure in Tibetan-style buildings must use three-dimensional adjustable brackets to adapt to the angle. Last year, there was a B&B that didn't pay attention to this. The installed screen swayed like a swing on a windy day, scaring passersby away from it.

The terms of the contract must pay close attention to these details: the warranty period starts at least three years (the chip and the power supply are guaranteed separately), the maintenance response does not exceed 4 hours, and free dust removal is done twice a year. The worst contract I've ever seen says "No warranty for man-made damage". As a result, even rainwater erosion is considered a man-made factor. It is recommended that you bring a red pen and circle the important terms before signing.

Emergency response guide:

1. The screen suddenly goes black: first check whether the voltage of the distribution box is stable (unstable voltage is common in plateau areas)
2. Color blocks appear: The signal line is most likely to be in poor contact. Re-plug and unplug the HDMI interface.
3. Partial flickering: immediately reduce the brightness to below 60%, there may be a problem with the cooling system
4. Control card failure: disconnect the power supply for ten minutes and then restart it, which is equivalent to "taking the pulse of the screen""

The editor has a few final words: Don’t be fooled by fancy prototype demonstrations, be sure to look at actual engineering cases. Nowadays, some businesses will use cases from other cities to supplement their sales, and they must provide live videos of local projects in Linzhi. It’s best to inspect it on a rainy day, so you can see whether the waterproof performance of the screen passes the test. By the way, I heard that some manufacturers can now achieve fast delivery within 7 days. This is a life-saving straw for friends who are eager to open their business, but you have to carefully consider whether the quality can be guaranteed.

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