General business items: Research and development of electrical equipment; wholesale、 retail: office supplies, Hardware and Electrical, Computers and computer supplies, Home appliances, Packaging materials, clothing accessories, Sewing equipment and accessories, electronic devices, Metal materials( Does not contain rare precious metals), Handicrafts, kitchen supplies, sanitary ware, rubber products, tire, ceramic products; Structured cabling and computer equipment installation and commissioning; Import and export of goods and technology( law、 Except for items prohibited by administrative regulations, law、 Projects restricted by administrative regulations may only be operated after obtaining a license)。( The above scope requires a license to operate, Requires a license to operate)。