1.Got CE certification. 2.One year guarantee. 3.More than 20 years' experience. 1.Completely environmentally friendly products: No compressor, no Freon, no pollution. This is the use of outdoor full fresh air cooling and evaporative cooling principle against indoor convection ventilation so as to achieve the purpose of ventilation and cooling 2.Less investment, high efficiency: Compared with the traditional air conditioning series, the power consumption is only 1 / 8-1 / 10 3.Less power consumption, only 1.1 kw/h.4.Large and far air flow5.Electronic control and automatic cleaning function6.Low noise, high efficiency7.Using 100mm multilayer thick wet curtain to strengthen the cooling capacity8.A function with all of ventilated, fresh air changing, dustproof, cooling9.Increasing the oxygen content of air to improve work efficiency

10.  10.Can increase the humidity of the workplace if necessary

11.  11.It’s easy to refrigerating just by adding water.