(a) the registration address of guangzhou dolphin sound smart technology ltd. Is located at room 401 shih ma yongping street, white cloud district, guangzhou city, and is the market supervision authority of guangzhou city, represented by a legal person, li sung yong, who has developed basic artificial intelligence software; software development; maintenance of electronic and mechanical equipment (other than special equipment); construction of sound equipment; sale of lamps; (b) sale of accessories to new energy automobiles; retail sales of daily household appliances; sale of daily department stores; sale of light-quality construction materials; sale of construction materials; sale of electronic products; wholesale distribution of clothing; sale of slides and projecting equipment; retail sale of clothing; sale of daily miscellaneous items; sale of sound equipment; manufacture of daily chemical products; sale of construction waterproofing products; retail sale of pet foods and supplies; manufacture of transmission and control equipment; manufacture of furniture; sale of intelligent household consumption equipment; sale of new energy vehicles; sale of broadcast video equipment; sale of dies; manufacture of moulds; sale of electrons and electromechanical components; sale of household appliances; sale of electronic vacuum devices; sale of electronic proprietary materials; sale of electronic equipment; sale of optical electronic devices; development of household appliances; manufacture of electronic (gas) physics equipment and other electronic equipment; manufacture of electronic specialized materials; manufacture of other electronic devices; manufacture of optical electronic devices; manufacture of optical electronic devices; manufacture of electronic vacuum devices; sale of electronic measuring instruments; manufacture of slides and projecting equipment; manufacture of electromechanical devices; retail distribution of electronic devices; sale of electrical appliances; manufacture of new energy raw equipment; wholesale distribution of electronic devices; manufacture of electronic devices; manufacture of electronic devices; manufacture of electronic devices; manufacture of electronic devices; manufacture of electronic devices; manufacture of electronic devices; copyright agents; enterprise image planning; personal business services; sale of boxes; sale of bells; sale of spare parts for appliances; distribution of shoes; retailing of shoes; retailing of shoes; sale of trademarks and appliances; distribution of new materials; information technology consulting services; internet technology services; network and information technology development of software;