The general business items are: Manufacturing of electronic components and electromechanical components; Manufacturing of power electronic components; Sales of power electronic components; Wholesale of electronic components; Retail of electronic components; Sales of special electronic equipment; Sales of electronic components and electromechanical components; Integrated circuit manufacturing; Manufacturing of integrated circuit chips and products; Integrated circuit sales; Sales of integrated circuit chips and products; Integrated circuit design; IC chip design and service; Information system integration services; Software development; Domestic trade agent. (In addition to the items that need to be approved according to law, the business activities shall be carried out independently according to law with the business license. ) The permitted business items are: Import and export of goods. (Projects that need to be approved according to law can only be operated with the approval of relevant departments. The specific operation items shall be subject to the approval documents or licenses of relevant departments)