In the 2019 Beijing IFC exhibition, the proportion of liquid crystal products rose again: almost the beginning of another small climax after the climax of liquid crystal display in 2008-2011. Why is l···

Now in the education and training industry, electronic whiteboard is gradually used for teaching, especially the electronic whiteboard with optical touch screen is more popular, which can not only eff···

Since 1998, China began to try to produce panels by itself. By 2018, 20 years later, China's panel industry has gradually upgraded from a marginal industry to the first place in production scale. ···

In 2016, the overall market sales revenue of China's lottery was about 400 billion yuan, of which 7% were off-line lottery (lucky lottery scratch + sports lottery scratch), while the proportion of···

On March 30 of this year, the first 5g network of administrative region was built in Shanghai and began to be tested.Many people are still wondering, "5g is just the Internet speed getting faster···

When you take the elevator to get in and out of the house, I don't know if you have thought about it. The advertising income in the elevator has something to do with yourself.In recent years, with···