The general business items are: Domestic trade (except for projects that must be approved before registration according to laws, administrative regulations and decisions of the State Council); Technical development and sales of computer software and information system software; Information system technology development, design, integration, maintenance and related technical consulting; Integrated circuit design, research and development; Technology development of agricultural technology, biotechnology, new material technology, energy-saving technology, biological products, and biotechnology products. (If the operation of an enterprise involves a preliminary administrative license, it must obtain the preliminary administrative license documents before it can operate)