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 ...