The shanghai aide steel international trading company limited operates in the following areas: sale of metal materials; sale of construction materials; retail sale of hardware products; sale of chemical products (excluding licensed chemical products); sale of plastics; sale of office supplies; sale of daily department goods; construction of garden greening works; domestic freight forwarding agents; information advisory services (excluding licensed information); import and export of goods; import and export of technology; manufacture of metal materials; and sale of recycled resources。