The registration address of choyde biomedicine (shenzhen) ltd. Is located at the south korean community of goko avenue in shenzhen city at no. 63, with the registration authority being the office of the superintendent of the shenzhen market; the legal entity representing zhang su-hua; the scope of the operation is to provide health counselling services (excluding diagnostic services); health care services for middle-level health-care providers (non-medical); nursing services (excluding medical services); professional cleaning, cleaning, disinfection and detection services; cell technology development and application; technical services, technology transfer, technology promotion; distribution of medical equipment in the first category; retail distribution of medical equipment for medical personnel; sale of gas, liquid separation and pure equipment; sale of hydrogen and storage facilities at stations; sale of laboratory analytical instruments; sale of equipment for laboratory and analytical purposes; manufacture of equipment for the retail sale of equipment for the sale of electronics; sale of equipment for the sale of electrical and electronics; sale of electrical equipment for the sale of electrical equipment for the sale of non-conventional materials; sale of electrical equipment for the sale of electrical equipment; and paramedical equipment for the sale for the sale of the sale of (in addition to the legally authorized projects, the production of sanitary supplies and medical supplies for one-time use is carried out on an autonomous basis, in accordance with the legal licence; the retail distribution of medical masks; the wholesale distribution of medical masks; the production of type i medical equipment; the production of type ii medical equipment; the production of type iii medical equipment; the production of disinfection equipment; the sale of type ii medical equipment; the operation of category iii medical equipment; the rental of type iii medical equipment; medical services; the sale of foodstuffs (only pre-packaged food); the import and export of goods; and the import and export of technology. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)