It is specially used in negative pressure ambulances to avoid the leakage of polluted air in the car, and to purify the internal air and discharge it to protect the environment outside the car. It is a safe device. In the face of this new coronavirus, we can all see the bitterness of medical staff

The negative pressure isolate chamber, since 2003, With the emergence of pandemic infectious diseases such as atypical pneumonia, avian influenza, H1N1 influenza and so on, which seriously endanger human health, how to effectively prevent and control infectious diseases and eliminate cross-infection