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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
Standard for flood control
WITHDRAWN published on 2.6.1994
Selected format:Code foracceptance of construction quality of building foundation
WITHDRAWN published on 1.4.2002
Selected format:Code for construction and acceptance of masonry engineering
WITHDRAWN published on 19.11.1998
Selected format:Code for acceptance of construction quality of masonry engineering
WITHDRAWN published on 15.3.2002
Selected format:Code for construction and acceptance of concrete structures
WITHDRAWN published on 8.9.1992
Selected format:Code for Acceptance of Constructional Quality of Concrete Strucrures
WITHDRAWN published on 15.3.2001
Selected format:Code for construction and acceptance of steel structure engineering
WITHDRAWN published on 18.3.1995
Selected format:Code for Acceptance of Construction quality of Steel Structures
WITHDRAWN published on 10.1.2002
Selected format:Code for construction quality acceptance of timber structures
WITHDRAWN published on 25.4.2002
Selected format:Technical code for roof engineering
WITHDRAWN published on 16.3.1994
Selected format:Latest update: 2025-12-28 (Number of items: 2 253 436)
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