The registration address of henan yee-jin age science and technology ltd. Is located in 10th floor, 1008, located on the ground floor, building 2, green land window no. 80, in the henan free trade zone (zhengdong); the registration authority is zhengzhou municipal market supervision authority, with legal persons representing zhang yong-cai and covering general projects: technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; educational consultancy services (other than licensed educational training activities); computer system services; sale of electronics; retailing of computer hardware and assistive equipment; retailing of stationery; sale of industrial robots; sale of mechanical equipment; sale of plastics; sale of building materials; organization of cultural and art exchange activities; conference and exhibition services; business management consulting; business image planning; sale of office supplies; sports supplies and equipment; sale of toys; sale of office equipment; retailing of clothing; retailing of shoes; sale of goods on a day basis; marketing of software development; design of graphics; recruitment and support services (subject to legal licensing) to carry out specific retailing of information on the internet as authorized by the law; sale of a