With the frequent occurrence of water pollution incidents, the news of the discoloration of tap water has become commonplace, no longer fuss, and drinking water safety has become a public heart disease. This is not a worry, drinking unclean water will endanger our health. Less and more will always make our health defense line collapse, and the consequences are not something we can afford.
The appearance of the water purifier can cure our heart disease and solve the problem that the terminal drinking water cannot be separated from the water purifier. We can't control the water quality problem, but the terminal drinking water can be in our own hands, you can enjoy fresh water and drink. However, things are not as perfect as we think. Due to the huge development prospects of water purifiers, some unscrupulous merchants have seen this market and have joined them. They are only trying to maximize profits as much as possible, and they do not care about the quality and service of products, which will lead to low price wars. The quality is worrying, then as consumers, we may become a big head, accidentally choose unqualified or fake and shoddy products, and consumers are suffering. Then, when you purchase a water purifier, you should do three things, so you should avoid choosing poor quality products.
First, don't have three products . Some products sell at low prices. You must look at the logo, clear and formal. Don't choose three products, don't be cheap, or you will only become a victim.
Second, do not have no after-sales products . As a household appliance, the water purifier has relatively high requirements for after-sales service. In the later use, it is necessary to replace the filter element regularly, otherwise the purification effect will be affected. Therefore, the perfect after-sales service is the guarantee for the normal use of clean water, and there is no after-sales service. Do not buy products.
The third one should not only look at the price selection products . In order to save trouble, some consumers think that only high-priced products will have good quality. However, some merchants now understand the psychology of some consumers, estimate the price increase, package luxury, use sophisticated appearance to attract consumers, and promote product effects and effects. Therefore, do not only look at the price of the purchase of products, so it is easy to choose high-quality products, fancy appearance and function can not enhance the purification effect.
Therefore, the purchase of water purifier should be considered from the quality, purification technology, after-sales service, in the formal channel to buy, in order to purchase affordable products, suitable for their own water purifier. Refused to do a big head, it is best to see these points, your own water purifier to choose.
λ/ 10 - the visible window sheet is a parallel plane plate, which is usually used as a protective film for electronic sensors or detectors in the external environment. We provide flat windows on a variety of substrates without coating and antireflection coating. Antireflective film options include UV, VIS, NIR, and SWIR. Barium fluoride (BaF2), calcium fluoride (CaF2), zinc sulfide (ZnS), zinc selenide (ZnSe) or silicon (SI) germanium (GE) are suitable for infrared applications, while fused quartz and sapphire are suitable for ultraviolet applications.
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