Licensed projects: Import and export of goods; Mineral resource exploration; Production of steel bars for construction; Manufacturing of wires and cables. (For projects that require approval according to the law, business activities can only be carried out after approval by relevant departments. The specific business projects are subject to the approval documents or licenses of relevant departments) General projects: Production of refractory materials; Furniture manufacturing; Production of furniture parts and accessories; Production of bearing steel products: Sales of metal materials; Tram manufacturing; Tram sales: Sales of renewable resources; Sales of motor vehicle charging; Sales of electrical machinery and equipment; Sales of thermal and sound insulation materials; Sales of power-assisted bicycles, scooters and spare parts; Sales of building materials; Sales of new metal functional materials: Sales of non-metallic minerals and products; Manufacturing of glass fiber reinforced plastic products; Sales of refractory materials; Operation of wires and cables; Sales of ovens, melting furnaces and electric furnaces. (Except for projects that require approval according to the law, business activities can be carried out independently in accordance with the law with a business license)