General projects: Class III non-pharmaceutical-prone chemicals dealing in research and development of electronic materials; sales of special electronic materials; manufacture of special electronic materials; manufacture of special electronic products; manufacture of optoelectronic devices; wholesale of electronic components; integrated circuit design; integrated circuit manufacturing; integrated circuit chip design and service; sales of industrial automatic control system devices; engineering and technology research and test development; technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export; enterprise management consulting; enterprise management consulting; enterprise management; intellectual property services (patent agency) Excluding services); housing leasing; non-residential real estate leasing; (in addition to projects subject to approval according to law, independent business activities are carried out according to law with a business license) Permitted projects: hazardous chemical management (projects requiring approval according to law can only be carried out after approval by the relevant departments; specific business projects are subject to the approval documents or permits of the relevant departments)