The registered address of tianjin léo smart technology ltd. Is located on the south side of wan an road, 19 villages, china tong town, new coastal zone, tianjin city. The registration authority is the market supervision authority of the new zone, tianjin city. The legal person's representative is chau mansion. The scope of the operation includes general projects: technical services, technical development, technical advice, technical exchange, technology transfer, technology promotion; development of hardware products; wholesale distribution of hardware products; retail distribution of hardware products; development of metals products; sale of metal chains and other metal products; manufacture of metal chains and other metal products; research and development of machinery; sale of doors and windows; manufacture of windows; manufacture of windows and windows; manufacture of other electronics; sale of metal structures; construction of machinery and electrical equipment; installation of general machinery; construction decorations, heating pipe parts and other construction metal products; construction of metal fittings; sale of metal accessories for construction; sale of metal products; sale of transport and public administration signs; manufacture of metal medals for transport and public administration; manufacture of safety, fire and metal products; manufacture of metal materials. (in addition to projects subject to authorization under the law, the operation is carried out autonomously under a licence). Licensed projects: various types of construction activities. (a project subject to approval by law may be carried out only with the approval of the relevant department, depending on the document or licence approved by the relevant department)。