The entire device design are in accordance with the requirements of the implementation of HACCP to ensure food hygiene and safety, make food processing enterprises passed HACCP certification, food export permits. Inside and outside the library frame structure are made of stainless steel SUS304, all parts to be welded TIG welding. Efficient all-aluminum fin evaporator coil fins, coils were characterized by high corrosion protection. Circulation fan with high efficiency and low noise axial fans, air volume, high wind pressure, to achieve the most advanced side hair freeze ways to make Frozen, the following can be blown cold, freezing efficiency than conventional freeze mode 30 -40%.