The registration address of shanghai leng biotech ltd. Is located in room 208-211 at 1550 north shore road, shanghai city, with the registration authority being the superintendency of the market for the monument area; the legal representative of guoxi, which operates on general items: technical services, technology development, technical advice, technology exchange, technology transfer and extension; the sale of laboratory analytical instruments; the sale of type i medical devices; the sale of type ii medical devices; the sale of chemical products (other than licensed chemical products); the wholesale distribution of computer hardware and software and assistive equipment; the retail sale of computer hardware and assistive equipment; the sale of electronics equipment; the sale of electronics and electronics; the sale of instrument instruments; the retail sale of clothing; the retail sale of clothing; the distribution of footwear caps; the sale of shoes on a daily basis; the sale of o...