Import and export business of goods and technology, and carry out small border trade, purchase and sale of fruits and vegetables, wholesale and retail of aquatic products, animal products, daily general merchandise, textile needles, decoration materials, instruments, new building materials, mechanical and electrical products, hardware and electrical, plastic products, clothing, shoes and hats, fur and leather products. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments)