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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
Waste water from manufacturing process—Determination of total nitro compounds—Spectrophotometric method
WITHDRAWN published on 18.1.1985
Selected format:Salted sea urchin
WITHDRAWN published on 1.1.1985
Selected format:Fresh sea urchin
WITHDRAWN published on 1.1.1985
Selected format:Sea urchin paste
WITHDRAWN published on 1.1.1985
Selected format:Testing method for breaking load and elongation of netting of synthetic fibre
WITHDRAWN published on 2.2.1985
Selected format:Food additive—Red kojic rice
WITHDRAWN published on 4.2.1985
Selected format:Food additive—Red kojic rice(powder)
WITHDRAWN published on 3.12.2008
Selected format:Beer
WITHDRAWN published on 1.1.1991
Selected format:Beer
WITHDRAWN published on 4.12.2001
Selected format:Analytic methods of beer
WITHDRAWN published on 1.1.1991
Selected format:Latest update: 2025-12-23 (Number of items: 2 253 013)
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