Based on DC compressors, our company has developed over 100 models of related products in 5 series, including solar refrigerators, car refrigerators, ice makers, display cabinets, and mobile cold drink trucks, which are sold worldwide; Based on the ultra micro DC refrigeration compressor, a new structure of mobile refrigeration box has been developed and obtained national patents, which is widely used in outdoor camping, laser cooling, pharmaceutical storage and transportation, cold drink and frozen food transportation and other fields.