The registration address of tianjin nine construction steel company limited is located at 4-2709. The registration authority is the market supervision authority of the north china district of tianjin city, on the south-west side of the jinjin road and longzhou road in kitakatsu town, north tianjin city. The legal entity is represented by dunli and operates on general items: sale of high-quality special steel materials; sale of metal materials; sale of construction materials; sale of machinery and equipment; wholesale distribution of hardware products; 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)