Chart 1-3 is taken from the national economic industry classification standard.
The information chemical manufacturing industry includes the production of photosensitive materials, magnetic recording materials, electronic materials and auxiliary materials for optical fiber communication, such as photosensitive films, magnetic tapes, magnetic disks, phosphors and liquid crystal materials.
Transmission equipment manufacturing industry includes carrier equipment, microwave equipment, wireless equipment and satellite communication equipment.
The switching equipment manufacturing industry includes the manufacturing of long-distance telephone switching equipment, local telephone switching equipment, data switching equipment and telegraph switching equipment.
Communication terminal equipment manufacturing industry
Other communication equipment manufacturing industry
The whole computer manufacturing industry includes the manufacture of large, small and micro computers, excluding the manufacture of electronic calculators.
The external equipment manufacturing industry of electronic computers includes the manufacturing of various external equipment and peripheral interface equipment such as output, input, drawing and tabulation.
The manufacture of electric vacuum devices includes the manufacture of various electron tubes.
The manufacture of televisions, video recorders and cameras includes the manufacture of various color televisions, black and white televisions, video recorders and cameras, and the manufacture of all-in-one cameras is also included in this category.
Radio and tape recorder manufacturing includes the manufacture of various radios, tape recorders and stereos. The manufacture of record players and loudspeakers is also included in this category.
Electronic calculator manufacturing industry includes the manufacture of pocket electronic calculators and desktop calculators.
Electronic equipment and communication equipment repair industry
Communication equipment maintenance industry
Telecommunication industry includes telephone, telegraph, mobile communication, wireless paging, data transmission, fax, satellite communication and other telecommunication services and telecommunication transmission activities (such as line service, microwave terminal system unit, etc.). ).
Software development consulting industry includes all kinds of computer software development and consulting activities.
The data processing industry includes various data processing and tabulation activities.
Database services include database development, data storage, database maintenance, network services and external consulting services.
Computer equipment maintenance consulting industry includes the maintenance and simple repair of computer main equipment and peripheral equipment, as well as the type and configuration consultation of hardware and related software.
Source: National Economic Industry Classification Standard
L The Guidance on Industry Classification of Listed Companies promulgated and implemented by China Securities Regulatory Commission aims to carry out statistics, analysis and other related work for all relevant units and departments in the securities industry and guide the industry classification of listed companies. This standard specifies the principles, coding methods, framework and operation and maintenance system of listed companies. Among them, the categories related to the information technology industry are as follows:
Chart 1-4 Excerpt from Industry Classification Standard of Guidelines for Industry Classification of Listed Companies
Information technology industry
G8 1 Communication and related equipment manufacturing industry
G8 10 1 Communication Equipment Manufacturing Industry
G8 1 10 Radar Manufacturing Industry
G8 1 15 Radio and Television Equipment Manufacturing Industry
G8 120 Communication Equipment Maintenance Industry
G83 computer and related equipment manufacturing industry
G830 1 computer manufacturing industry
G83 10 Computer Related Equipment Manufacturing Industry
G8335 Computer Maintenance Industry
G85 communication service industry
G850 1 Telecom Service Industry
G8599 Other communication service industries
G87 computer application service industry
G870 1 Computer Software Development and Consultation
Development, Maintenance and Consultation of G8705 Computer Network
G87 10 Computer Equipment Maintenance Consulting Industry
G8799 Other computer application service industries