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King Long Kingwin negative pressure ambulance  from China

This Negative Pressure Ambulance uses the negative pressure exhaust air purification device to make the air pressure in the medical cabin lower than the external air pressure. 

The directional flow and pressure gradient technology in the field of bio-safety has been successfully applied to reduce the flow dead Angle and eddy current index. 

The medical cabin is equipped with the function of purify air, and the patients are kept in the medical cabin, so that the patients breath cannot  go into the cabin due to directional airflow and pressure gradient, which can minimize the chance of cross-infection between medical staff and patients. 

And the negative pressure exhaust air purification device will be harmless treatment of the air back out of the medical cabin, effectively avoid more human infection, the source of infectious disease to play a good isolation control role.