When walking on a commercial street, are you often attracted by those "dancing" advertising screens? Those magical screens that can play movies and interact with people all have the same problem hidden behind them:​ ​What kind of LED screen manufacturer is worth entrusting? ​ ​Today we will peel back the industry’s underpinnings and teach you how to see through the manufacturers’ true capabilities.

​​1. The scale of the factory hides the fatal truth​​
The easiest pitfall for novices is to only look at product brochures. A truly knowledgeable person would ask:

• Do you have your own production base? (OEM manufacturers can’t find anyone if something goes wrong)
• Does the workshop have a fully automated assembly line? (Hand-soldered screens will fail after two years of use)
• Can the monthly production capacity exceed 10,000 square meters? (Factories with small production capacity can delay delivery for half a year during peak seasons)

There is a factory in Shenzhen that is quite interesting. Their production base in Bao'an District has 20 processes for quality inspection alone. From chip detection to box waterproof testing, all are checked by machines. A manufacturer of this size doesn't have to worry about exporting its products to Japan and South Korea - the customs inspection rate is ten times stricter than that in China.

​​2. The certification certificate is not just a showpiece.​​
Don’t be fooled by the walls full of certificates, focus on these three certifications:

1. ​​ISO9001 system certification​ ​(Hard indicator of quality control)
2. ​​CE electromagnetic compatibility certification​ ​(The talisman of life and death exported to Europe)
3. ​​CCC compulsory certification​ ​(Tickets sold domestically)

The most outrageous case I have ever seen: a screen I bought cheaply in a shopping mall leaked electricity on a rainy day and burned the marble floor black. Later, it was found out that the IP65 protection certification was not implemented, and the control box was directly modified from a plastic lunch box. Reliable manufacturers now make stadium fence screens that can broadcast game footage normally even when soaked in water during a typhoon.

​​3. Word games in technical parameters​​
The "high definition" mentioned by the manufacturer may be 720P pretending to be 4K. Let me teach you three tricks to debunk the trick:

Here’s a piece of trivia you may not know: what a truly high-end screen can do​ ​86% light transmittance​ ​It does not affect the display effect, and high-end shopping malls are now rushing to use this kind of transparent screen. However, many "transparent screens" made by small factories are actually ordinary screens with a few rows of lamp beads cut out, and when viewed from the side, they are all mosaics.

The editor finally has something to say from the bottom of his heart: Last year, an international airport invited bids for LED screens, and more than 20 manufacturers bid. The one that won the bid was neither the one with the lowest price nor the one with the loudest brand. If you win, you win by showing it.​ ​Five-year failure rate statistics table​ ​,besides​ ​24-hour multinational technical response​ ​A solid record. Looking for a manufacturer these days is like looking for a partner. Just looking at looks is useless. It depends on whether you can live a good life.

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