Using galvanized steel and electrostatic powder coating with a thickness of 60 μ m, the process of spraying after wire cutting has strong anti-corrosion performance and high cleanliness; Selected thickened 35mm "sandwich" panel structure, with good insulation and sound insulation effects; Adopting unique liquid soft foam sealing technology, greatly reducing air leakage rate and noise, the box has high sealing performance and long service life; Adopting high-performance fully enclosed vortex compressors and maintenance free IE2 high-efficiency motors from internationally renowned brands, the unit operates stably with low noise, energy conservation, and environmental friendliness; Adopting an efficient hydrophilic aluminum foil finned tube evaporative condenser with enhanced heat transfer, it has high heat transfer efficiency, low wind resistance, and good dehumidification effect; Adopting a unique anti leakage hollow wing type air valve, the air valve is equipped with a soft connection with good fire resistance and high tensile strength, achieving flexible connection between the unit and the air duct; Using a programmable controller and a backlit Chinese display, the unit's temperature and humidity accuracy, filtering effect, reliable operation, and fault protection are fully automatically controlled; Adopting intelligent bypass energy-saving technology, multiple operating modes are set to meet the requirements of air supply or exhaust in different seasons, with low energy consumption and super power saving; Famous brand primary and medium efficiency filters with low resistance, long lifespan, high filtration efficiency, and easy replacement; ● Upstream outdoor unit, equipped with low-noise axial flow fan and high-efficiency fin condenser; The air outlet method can be designed according to customer requirements; Develop and design customized non-standard products suitable for users based on the characteristics of different regions and industries.