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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
Technical standard for performance assessment of residential buildings
WITHDRAWN published on 30.11.2005
Selected format:Technical specification for water-saving irrigation engineering
WITHDRAWN published on 7.4.2006
Selected format:Technical code for solar water heating system of civil buildings
WITHDRAWN published on 1.1.2005
Selected format:Code for operation and management of central air conditioning system
WITHDRAWN published on 30.11.2005
Selected format:Design code for strengthening concrete structure
WITHDRAWN published on 19.6.2006
Selected format:Residential building code
WITHDRAWN published on 30.11.2005
Selected format:Code for construction and acceptance of oil & gas transmission pipeline engineering
WITHDRAWN published on 18.1.2006
Selected format:ZGT type lever underground weigh bridge
WITHDRAWN published on 1.1.1985
Selected format:Stationary lever scale
WITHDRAWN published on 15.3.1994
Selected format:Design code for communication conduit and passage engineering
WITHDRAWN published on 1.1.2006
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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