1.Frame Structure: The unit adopts the full aluminum alloy anti-cold-bridge frame structure. Every angle of the frame is connected by the aluminum alloy structure component with the excellent strength, light weight, anti-corrosion capability and beautiful appearance.
2.Panel structure: The unit adopts the panel of the double-layer structure: inside and outside. The inside panel is the zinc-plated steel plate and producing foam by the middle polyurethane, and its features are: good strength, good anti-cold-bridge capability, good noise of noise separation, and it is suitable for the places with high requirements of air quality.