Air handling units can meet the cooling, heating, humidification, dehumidification and other request. Air handling units "GRAD" brand air handling units from the vertical (air volume from 2000 ~ 60000m3 / h), horizontal ... 2000 ~ 60000m3 / h) and ceiling-type (air volume from 1000 ~ 16000m3 / h) three major series, can meet the cooling, heating, humidification, dehumidification ...