The registration address of chaumen change network technology ltd. Is located in room 501, room no. 22, leu ling road, sming district, ximen city. The registration authority is the market supervision authority of the sming district, ximen city. The legal entity is represented by tsingcheng and operates on general projects: software development; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; distribution of parts and components of automobiles; retailing of parts and components of automobiles; wholesale distribution of hardware and services in gold; retail distribution of hardware in gold; advisory services on paper information; personal business services; sale of electrical equipment; wholesale distribution of computer hardware and hardware and assistive equipment; retail sale of computer hardware and assistive equipment; sale of software; sale of broadcasting video and video equipment; sale of artificial intelligence hardware; sale of electrical accessories; import and export of technology; import and export agents; import and export of goods; sale of the internet (except for the sale of licensed goods); and information technology consultancy services. Licensing projects (in addition to projects subject to legal authorization, operating on an autonomous basis under a business licence): rental services for minibuses; free sale of goods. (a project subject to approval by law may be carried out only with the approval of the relevant department, depending on the document or licence approved by the relevant department)。