Clean air-conditioning system, a part of air-conditioners. Mainly applicable to the medical ship, the role of the outside air into the various compartments must be must pass before the air conditioner, air decontamination treatment, so that bacteria in the air after different levels of each stage filters for air filtering, so that eventually reached into the cabin air purification requirements, while air-conditioner also features refrigeration, heating and humidification functions, in order to meet the requirements of different seasons.(www.zhaoshenggroup.com)