The registered address of tianjin and da steel company ltd. Is located in room 3, unit 501 of apartment no. 4, no. 39, south bank road, no. 39, north kitchen town, tianjin city. The registration authority is the market supervision authority for the north cay district, tianjin city. The legal person is represented by gao-chang, which covers general items: sale of metal materials; sale of metal products; sale of metal structures; wholesale distribution of hardware products; sale of photovoltaic equipment and metaware; sale of firefighting equipment; sale of plastics; sale of metal chains and other metal products; sale of security equipment; sale of building decoration materials; sale of electronic products; retail of spare parts for cars; sale of metal tools; sale of new metal functional materials; sale of non-ferrous metal alloys; sale of metal accessories for construction; sale of high-energy non-ferrous metals and alloy materials; retail sale of gold products (in addition to legally approved projects, business activities are conducted on an autonomous basis of trade licence)