Food sales, Sale: Chemical raw materials( No dangerous goods), Industrial salt, General machinery, Daily necessities, Paper and paper products, plastic products, Computers and spare parts, cosmetic, glass products, Wood products, sporting goods, clothing, Shoes and hats, leather products, ceramic products, agricultural and sideline products( No grain), stationery, Hardware, Power, electric wire, cable, wool, Knitted textiles, Arts and Crafts( ivory、 Except rhinoceros horn and its products), Building Materials, Stone, steel; Import and export of goods or technology( Except for the import and export of goods and technologies that are prohibited by the state or involve administrative approval)。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)