The general business items are: Electronic product sales; Computer hardware and software and peripheral equipment manufacturing; Wholesale of computer software and hardware and auxiliary equipment; Retail of computer hardware and software and auxiliary equipment; Wholesale of electronic components; Sales of mechanical parts and parts; Retail of electronic components. (Except for projects that must be approved according to law, independently carry out business activities according to law on the basis of business license), and the permitted business items are: Import and export of goods; State trade regulates the import and export of goods. (For projects subject to approval according to law, business activities can only be carried out after approval by relevant departments, and the specific business projects shall be subject to the approval documents or permits of relevant departments)