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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
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WITHDRAWN published on 1.1.1986
Selected format:Detail specification for electronic components--Ambint-rated bipolar transistors for high frequency amplification type 3DG80
WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Single-gate junction type field-effect transistors of types CS111, CS112, CS113, CS114, CS115, CS116
WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Bipolar transistors for switching amplification types 3DK105A, 3DK105B
WITHDRAWN published on 1.1.1987
Selected format:Hot-rolled round carbon steel bars for standard parts
WITHDRAWN published on 31.3.1989
Selected format:Detail specification for electronic components--Bipolar transistors for switching amplification types 3DK107A, 3DK107B
WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Ambient-rated bipolar transistors for high-frequency amplification type 3DG131A, 3DG131B, 3DG131C
WITHDRAWN published on 1.1.1987
Selected format:Detail specification for electronic components--Switching rectifier diodes for types 2CZ201, 2CZ202 and 2CZ203
WITHDRAWN published on 1.1.1987
Selected format:Generic specification for the directly heated positive step-function temperature coefficient thermistors
WITHDRAWN published on 7.1.1987
Selected format:Blank detail specification for the directly heated positive step-function temperature coefficient thermistors--Assessment level E
WITHDRAWN published on 7.1.1987
Selected format:Latest update: 2026-04-06 (Number of items: 2 271 069)
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