Import, export and domestic sales of pre-packaged foods and bulk foods; Wires and cables, Electronic appliances and connectors, Electronic accessories, Lamps and light source products, Machinery and equipment, Import and export of textile fibers; Self-operated and agency-operated businesses except those jointly operated by state organizations16 Commodities and state-approved companies14 Import and export business of goods and technologies other than imported goods, Development“ Three in one supplement”, Imported material processing business, Engage in counter-trade and entrepot trade。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)