Commercial freezers are the product of the market economy, with the development and growth of major beverage, ice cream, frozen food manufacturers expanding market size, the product form a gradual breakdown. Initially, the market generally use the insulation box to maintain the temperature of the items, and later with the emergence of cold cabinets, the use of ordinary foam door coolers to store drinks, ice for supermarkets, street stalls and other sales, the rapid development of FMCG products led to the development of commercial coolers listed, due to the display of a more intuitive, more professional storage temperature, the use of more convenient, the market size of the commercial cooler rapidly expanding.