The registered address of tianjin-caiwei steel trading ltd. Is located in qingdao park, two streets, north tianjin city, with the registration authority of zhang zhang feng, the market supervision authority of north tai district, tianjin city, representing legal persons and covering general projects: sale of metal materials; sale of construction materials; sale of machinery and equipment; wholesale distribution of hardware products; sale of rubber products; sale of electric instrumentation forms; sale of seals; sale of new energy sources; sale of metal structures; sale of metal chains and other metal products; sale of non-ferrous metal alloys; electrical and cable operations; sale of electrical equipment; sale of mechanical and electrical equipment; import and export of goods; and import and export of technology. (in addition to projects subject to authorization under the law, the operation of the business is carried out autonomously under a licence)