The registration address of shandong tong tong metal materials ltd. Is located at no. 357 kang han village, jiang chang street office, tsang city economic technology development zone, shandong province. The registration authority is the market supervision authority of the city economic technology development zone, representing zhao hongjiang, and operates on general projects: sale of metal materials; sale of metal products; sale of metal structures; wholesale distribution of hardware products; sale of non-ferrous metal alloy; sale of construction materials; sale of metal tools; sale of high-performance non-ferrous metals and alloy materials; sale of high-quality special steel materials; manufacture of metal wires and their products; sale of metal ore; sale of transport and public administration signs. (in addition to legally approved projects, operating on an autonomous basis under a licence)