HD indoor LED display 1, small spacing At the Guangzhou LED Show in March, after the LED display manufacturer removed the gimmick, the small pitch became the main display point. At present, the minimum distance LED display with data available on the market has achieved 0.8mm. 2. Pre-increase From the big data analysis in 2013, the global economy is slowly recovering. Many analysts in the LED display industry believe that with the increasing purchases in Europe and the United States, the demand for LED displays will increase slowly this year. Unexpectedly, from the half-year results announced by various listed companies in July, the increase exceeded expectations. 3, shuffling Recently, many LED display companies have been rescinded, causing the road to a dead end because of the lack of capital turnover. Jiang Cheng said that the attention is all about some fame. In fact, the unknown small enterprises have fallen more. There are five or six hundred companies in the country each year because of the break of the capital chain. Every year, many new members join the industry. Due to product homogeneity and technology assimilation, most SMEs have no core competitiveness. Jiang Cheng said that these companies will eventually be reshuffled. Moreover, at this stage, such shuffling will continue, because LED display orders are increasingly inclined to large manufacturers, is gradually forming a market aggregation effect, the future LED industry will present a larger pattern.
Take a deep breath, close your eyes, the world has the freshest oxygen ... Yu Quan's "Deep Breath" is well known to us, but as the environmental problems become more and more serious, the haze sky also increases, PM2.5 PM10 and so on Vocabulary has also been mentioned more and more, and air purifiers have quickly become popular on the market with this "air quality" trend. Along with this, the air-clean brand has sprung up, and various technologies are dazzling. Which ones are indeed effective and which are just tasteless propaganda? How does the Air Purifier bother us to get rid of pollution? And look at the editors for you.
Analysis of air purifier
The critical value of PM2.5 content is 75 μg / m3
The pollutants in the air mainly include soot, total suspended particulates, inhalable particulates (PM2.5) and fine particulates (PM10). The smaller the diameter of the particulates, the deeper the part that can enter the respiratory tract. 10 micron diameter particles It is deposited in the upper respiratory tract, and particles below 2 microns can penetrate 100% into the bronchiole and alveoli.
1k-5k air purifier prices vary greatly
The air purifier products on the market not only have various functions, but also have prices ranging from thousand yuan to tens of thousands. The pricing of imported products is generally higher than that of domestic brands. Except for the core technology of many brands, the promotion of purification effects is similar, and consumers need to choose according to demand.
The air quality standard of 74 key cities is only 4.1%
According to the data of the press conference held by the State Council Information Office on June 4, according to the new "Ambient Air Quality Standards", the six pollutants SO2, NO2, PM10, PM2.5, CO and O3 were evaluated, 74 new standards In the first phase of monitoring and implementation, the proportion of cities that met the ambient air quality standards was only 4.1%, and the other 256 cities implemented the old air quality standards, and the proportion of cities that met the standards was 69.5%.
Air purifier sales increased by 90.5% compared with last year
According to a report recently released by the China Electronics and Information Industry Development Institute, due to the haze weather, air purifiers have become the most concerned home appliance products, with sales of nearly 2.4 million units nationwide last year, a year-on-year increase of 90.5%; retail The amount reached 5.6 billion yuan, a year-on-year increase of 105.9%.
HEPA filter needs to be replaced in March
The filter of the air purifier Air Cleaner is the same as the filter of the water purifier, and it is not effective for a long time. After long-term use, the accumulation of dust on the surface of the filter will also cause the filter to gradually fail. Therefore, when the haze is more serious, the non-washable HEPA filter needs to be replaced every three months.
Merchants claim that the purification rate is more than 99% for the concept of stealing
99% or even 99.99% seems to have become a slogan for many air purifiers on the market. Many brands of products promote their high removal rate of PM2.5 and formaldehyde. In fact, this kind of publicity is more of a kind. The slogan of stealing the concept, the removal rate of 99% is the effect of the material itself on PM2.5 and formaldehyde, not the effect of actually running in space.
Air Purifier with carbon filter Air Filtration System,Much Function Air Filtration System,Smart Air Filtration System,Household Air Filtration System Ningbo Zhe Kai Electric Appliance Co.,Ltd , https://www.cnairpurifiers.com
The three key words of LED display industry in the first half of 2014
In the first half of 2014, the LED display industry was accompanied by technological advancement, slow recovery in demand and fierce competition in the market. The whole first half of the year can be summarized in three words: small spacing, pre-increasing, and shuffling. Let's take a closer look: