General Projects: Medical Research and Experimental Development; Sales of Class I medical devices; Sale of Class II medical devices; Wholesale of protective equipment for medical staff; Wholesale of medical masks; Sales of hygiene products and single-use medical supplies; Internet sales (except for the sale of goods that require permission); Sale of disinfectants (excluding hazardous chemicals); Cosmetics wholesale; Sales of personal hygiene products; Daily necessities sales; Health consulting services (excluding diagnosis and treatment services); Sales of toys (excluding drugs and medical devices); Food sales (only prepackaged foods are sold). (Except for projects that require approval according to law, independent business activities are carried out according to law with a business license) Licensed projects: Medical device Internet information services; Sterilization instrument sales. (Projects that require approval in accordance with the law can only carry out business activities after approval by the relevant departments, and the specific business projects shall be subject to the approval documents or permits of the relevant departments)