limate & employees productivity3.Nature Air Cooling &Ventilation4. Keep healthy and large fresh Air Reducing bacteria,fog, mildew caused damage Drying the Wet Areas.ApplicationCommercial area:Exhibition center, 4S shops,large terminal market,supermarket.Recreation&Entertainment:Amusement park,zoos & arboretums,Kids playgroundIndustrial area:? Gym& Fitness Center,Warehouse,factoryAgricultural area:Greenhouse,BarnTraffic Stations：Airport, rail-way station, bus station, metro station?Certificati