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); wholesale、 retail: Mechanical equipment and accessories, Lathes and milling machines, Casting equipment and materials, Furniture and accessories, Hardware and Electrical, Daily necessities, accessories, Lighting appliances, lamps, Metal materials( In addition to national special control), electronic components, stainless steel products, Aluminum alloy products, Glass sheets and glass products, Glass processing equipment, Plastic processing equipment, electroplating equipment, Wires and cables, Refrigeration equipment, air conditioner, Instruments, Printing equipment and accessories, marble, granite, Ceramics and products, Engineering machinery equipment and accessories。( The above items do not include pre-approval items for industrial and commercial registration)( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments)