The registered address of wu yu yuen is located on the eastern side of the village council of yuyu yuyu village, wu yuyuan, wu yuyu province, hebei province, and is represented by a legal person, wu shuyun, who works on general items: safety, fire-fighting construction of metal products; furniture manufacturing; marketing of metal products; marketing of metal materials; marketing of new metal functions; marketing of metal structures; sale of construction materials; sale of doors and windows; sale of office supplies; sale of office equipment; sale of office equipment; sale of postal machinery and equipment; sale of internet sales (other than goods for which permission is required); sale of commercial coded products; sale of internet equipment; wholesale distribution of hardware products; sales agents; manufacturing of doors and windows; processing of metal scrap and scrap; repair of metal products; installation of robots, maintenance of general-purpose equipment; technical development of new materials; extension of new materials; sale of technical services, technology, technology exchange, technology transfer, extension of technology; recycling of resources (other than the production of used metals); construction of metals; construction of windows and windows; installation of indoor wood services; non-based advisory services to market (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)