(a) hebei tewan zone company limited, located in the south-east of the town of huu yiu yiu, wuyu town, wuyu county, wuyu county market supervision authority, with the registration authority being the city of water supply and represented by a legal person and operating on general items such as safety, fire-fighting construction of metal products; furniture manufacture; container manufacturing; metal tool manufacturing; metal structure manufacturing; sale of metal products; sale of containers; sale of furniture; sale of metal structures; sale of security equipment; sale of office equipment; sale of office equipment; sale of office supplies; sale of communications equipment; sale of medical equipment in category i; (b) sale of type ii medical equipment; sale of firefighting equipment; sale of household appliances; sale of daily supplies; sale of cameras and equipment; sale of lighting equipment; models and sales of teaching aids; sale of labour-protected goods; sale of electronic products; sale of internet (other than those for which permission is required); retail sale of stationery supplies; retail sale of computer hardware and software and assistive equipment; technical services, technology development, technical advice, technology exchange, technology transfer, technology promotion; consulting on enterprise management; information system integration services; office services; professional design services; advertising; advertising; design, agency; advertising (in addition to legally authorized projects, autonomous and unrestricted operations)