The product has the characteristics of beautiful appearance, compact structure, high efficiency and energy saving, low noise, etc. The whole machine adopts box structure, optimizes the design of air intake and exhaust ducts, uses original American compression mainframe and high-efficiency NEMA motor, and adopts electronic automatic drainage system. At the same time, it pays more attention to humanized design and noise reduction, provides a spacious application and maintenance space, facilitates the use and management of users, and is welcomed and praised by customers.