Wholesale and retail: Computer hardware and software,Computers and accessories, Electronics, Mechanical and electrical equipment, Class I medical devices, Environmental protection equipment, desk, furniture, kitchenware, office supplies, sporting goods, Instruments( Not for medical use), Hardware and Electrical, building materials, Metal materials, Other chemical products( Except for hazardous chemicals), Complete sets of laboratory equipment, agricultural and sideline products, Daily necessities, Handicrafts( No cultural relics), musical instruments,children's toys, Amusement equipment, plastic products; Domestic publication retail( Operate within the scope and period specified by a valid license)。