General business items are: Purchase and sale of electronic products, computer hardware and software, communication products; Domestic trade (excluding franchised, controlled and sold goods); Engaged in import and export business of goods and technologies (excluding distribution, state exclusive and controlled commodities). Sales of power electronic components; Electronic components manufacturing; Sales of electronic components and electromechanical components; Sales of photovoltaic equipment and components. (Except for the projects subject to approval according to law, independently carry out business activities according to law with the business license), the permitted business projects are: Manufacturing of power electronic components; Computer hardware and software and peripheral equipment manufacturing; Integrated circuit manufacturing; Mechanical and electrical equipment manufacturing.