General projects: Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Import and export of goods; Technology import and export; Information consulting services (excluding licensed information consulting services); Graphic and textual design and production; Sales of functional glass and new optical materials; Sales of optical instruments; Sales of specialized equipment for semiconductor devices; Sales of experimental analytical instruments; Sales of CNC machine tools; Sales of instruments and meters; Sales of electronic components and electromechanical equipment; Sales of metal cutting and welding equipment; Fiber optic sales; Sales of photovoltaic equipment and components; Sales of optical glass; Sales of electronic specialized materials. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license. ) Licensed project: Construction project construction. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments. )