The subway platform door is an isolation device installed in the subway to separate the passengers from the arriving subway vehicles. Because the daily flow of people in the station is huge, each component of the subway platform door needs to be tested…
Dear friends, though the New Crown Pneumonia is spreading all over the world, Aoqun hopes you are safe, healthy and happy as usual. Aoqun has been by your side, praying for you. New crown pneumonia will eventually be defeated by us! Guangzhou Aoqun is…
N95 masks cannot be worn for a long time when they are used. Generally, they are replaced every 4 hours. If breathing difficulties occur, they need to be replaced. The surrounding environment will also cause early replacement.–AOQUN Brush. You can…
Then you need to inhale hard to make the N95 mask fit the face. It should be noted that you must not squeeze the mask by hand. Squeezing the mask can easily cause the mask to deform, so the mask is meaningless.–AOQUN Brush. https://www.aoqunbrush.com/
Lightly press the metal strip in the middle and move from the middle to both sides to make it fit better with the nose, so as to play a better role in preventing new coronavirus.–AOQUN Brush. https://www.aoqunbrush.com/