Introduction:
General operating items are: power and chargers, cellular appliance products, computer perimeter products; technology development and marketing of new energy products; domestic trade; import and export of goods and technology; licensed operations are: research and development, production and sale of electronic products; masks, protective glasses, protective clothing, alcohol, rubber gloves,rmometers, disinfection water, medical disinfection protection supplies, domestic sales of equipment and import and export operations.
Keywords:the United States