Production and sales of Class I, II, and III medical devices; sales of plastic products, cotton textiles, medical equipment, labor protection products, disinfection supplies, healthcare products, protective gear, nursing supplies, sanitary ware, purification equipment and instruments, non-woven fabrics and products; machinery leasing, chemical glass instruments, instruments, installation, maintenance, after-sales service, and technical services for medical equipment; technical consulting services for medical devices and maintenance; computer information and after-sales service; import and export of goods or technology (excluding goods and technologies prohibited by the state or subject to administrative approval)*Involving licensed business projects, operations must be conducted only after obtaining approval from relevant departments (projects that require approval according to law must undergo relevant departmental approval before business activities can be carried out).