wholesale、 retail: Pre-packaged food, kitchen supplies, Electronics, Home appliances, Daily necessities, stationery, furniture, Mechanical equipment, sporting goods, Handicrafts, Computer hardware, software and accessories, communications equipment, Building Materials, Toy, clothing, Shoes and hats, Knitted textiles, Primary edible agricultural products( Remove drugs), Chemical products( Removal of hazardous chemicals and precursor chemicals); Import and export of goods and technology( law、 Except for projects prohibited by administrative regulations, law、 Projects restricted by administrative regulations may only be operated after obtaining a license)。