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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
Wrought aluminium and aluminium alloy products—Packing, marking, transporting and storing
WITHDRAWN published on 29.8.1996
Selected format:Hexagon bolts with wire holes on head. Product grade A and B
WITHDRAWN published on 24.6.1988
Selected format:Hexagon bolts with wire holes on head--Reduced shank--Product grade B
WITHDRAWN published on 24.6.1988
Selected format:Hexagon bolts with wire holes on head. Fine pitch thread. Product grade A and B
WITHDRAWN published on 24.6.1988
Selected format:Synthetic hydrochloric acid for industrial use
WITHDRAWN published on 6.1.1993
Selected format:Synthetic hydrochloric acid for industrial use
WITHDRAWN published on 14.3.2006
Selected format:Technical requirements for molybdenum concentrate
WITHDRAWN published on 1.1.1989
Selected format:Guidelines for the construction of beautiful villages
WITHDRAWN published on 29.4.2015
Selected format:Technical requirements of lepidolite concentrate
WITHDRAWN published on 1.1.1982
Selected format:Roller ball pens and refills
WITHDRAWN published on 11.9.2015
Selected format:Latest update: 2026-04-19 (Number of items: 2 274 482)
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