Import and export of goods and technology, Border small trade, scrap steel、 scrap copper、 scrap aluminum、 waste paper、 Import of five types of waste materials including waste plastics; Sale: Clothing, shoes and hats, Knitted textiles, Textile raw materials, lint, Agricultural and livestock products, agricultural products, office supplies, Handicrafts, Electronics, communications equipment, Hardware and Electrical, steel, Mechanical and electrical equipment and accessories, Automobiles and accessories, Mineral Products, Chemical raw materials and products, Metal materials, feed; Economic and technical information consulting services; freight forwarding。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)