Engaged in the import and export of goods and technology (laws and regulations) Except for goods and technologies that are prohibited from import and export); wholesale and retail: lead plate, aluminum strip, aluminum ingots and aluminum products, steel plate, steel,Belts, copper plates and copper belts, metal materials, non-ferrous metals, iron ore, wires and cables. ( For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments).