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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
Connecting devices for low voltage circuits for household and similar purposes - Part 2: Particular requirements for connecting devices as separate entities with insulation piercing clamping units
Standard published on 30.12.2008
Selected format:Connecting devices for low-voltage circuits for household and similar purposes - Part 2: Particular requirements for twist-on connecting devices
Standard published on 30.12.2008
Selected format:Greek alphabet coded character set for bibliographic information interchange
Standard published on 30.8.1991
Selected format:Extension of the Latin alphabet coded character set for bibliographic information interchange
Standard published on 30.8.1991
Selected format:Packaging containers - Cases with plybamboo
Standard published on 18.7.2008
Selected format:Specification and management requirements of the stacking yard for refrigerated containers
Standard published on 15.3.2018
Selected format:Terminology for air cushion vehicle
Standard published on 23.8.1991
Selected format:
Terminology for air cushion vehicle
Execute Date: may 2026
Standard published on 31.10.2025
Selected format:Specification for welding of copper and copper alloy clad steel plates
Standard published on 23.3.2009
Selected format:Specification for welding of stainless steel clad plate
Standard published on 30.7.2008
Selected format:Latest update: 2026-04-01 (Number of items: 2 270 267)
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