Food packaging disinfection in cold chain The preventive disinfection of food packaging in cold chain can be carried out with Qingle six-sided spray device. With advanced spray technology, the droplets can be tightly adsorbed on all surfaces of objects, covering 360 degrees without dead ends and killing more thoroughly. The sprayed droplets are in an atomized state and will not wet the object. When used in a low temperature environment, there is no need to worry about the pipeline freezing, which can reduce the labor intensity and improve work efficiency. In addition, it can also be widely used in the disinfection of packaging of different materials such as food packaging, e-commerce express, and checked luggage.