As a common infectious disease, allergic rhinitis has been in contact with us. Patients with rhinitis often have nasal congestion, nasal itching, and sneezing, especially when the season is changed or the cold air is affected. It is really miserable. Allergic rhinitis can seriously affect a person's quality of life and social quality.

Formaldehyde not only evaporates slowly, but also takes a long time to evaporate. If you live in an environment with high content of formaldehyde for a long time, it will be very harmful to your health. Therefore, you must pay attention to the choice of materials when decorating.

[Japan Ventilation House] Report: Is it illegal to not install a 24-hour fresh air system? Japan has incorporated 24-hour indoor ventilation into regulations, requiring all newly built buildings and villas to be equipped with 24-hour ventilation systems.

Haiwainet, April 28th. According to Worldometer real-time statistics, as of about 6:30 on April 28th, Beijing time, a total of 149,269,786 confirmed cases of new coronary pneumonia worldwide, and a total of 3,146,713 deaths

The human body is breathing all the time until death-since people need to breathe air to maintain their lives, the harm of air pollution to us will also be continuous and far-reaching. Nowadays, it has almost become a social consensus that air pollution will endanger human health

The World Health Organization announces: Every year 100,000 people worldwide die of asthma due to indoor air pollution, and 35% of them are children

Summer is here, the sun is just right, the breeze is not dry, and there is no need to turn on the heating to cause pollution. The air is getting better, the air purifier does not need to be turned on...

In 1823, John and Charles Dean invented a new type of smoke protection device that allows firefighters to avoid smoke when fighting fires. In 1854, a man named Johns Tenhouse made new progress based on the invention of his predecessors

"The overall sales of air purifiers have grown rapidly. However, due to the entry of many manufacturers into the industry, the output far exceeds the sales volume, and fierce competition has led to a sharp drop in the average unit price of the entire domestic brand.