The registration address of shanghai-based douture information technology ltd. Is located in room g, 246 silin street, golden hills, shanghai city; the registration authority is the superintendency of the golden mountain market; the legal entity is represented by yu jie, and its operations include general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology diffusion; software development; technology networking services; cloud computing equipment sales; network and information security software development; internet sales (except for licensed goods); information systems integration services; information systems operation maintenance services; information advisory services (excluding licensed information advisory services); data-processing and storage support services; computer systems services; distribution of computer hardware and auxiliary equipment; retailing of computer hardware and ancillary equipment; safe technology systems design services; sales of new materials for construction; supply chain management services; integration of the artificial smart industry application system; sale of digital advertising products; sale of plastics and plastics products; sale of spare parts; sale of electronics and electronics; sale of new mecs; sale of new mecs; sale of advertising services; sale of digital advertising services; sale of plastics and plastics; sale of commercials; sale of commercial (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)