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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
Classification and code of waste product
WITHDRAWN published on 5.12.2011
Selected format:Agricultural irrigation equipment—Sprinklers—Part 1:Definition of terms and classification
WITHDRAWN published on 31.12.2012
Selected format:Agricultural irrigation equipment—Sprinklers—Part 3:Characterization of distribution and test methods
WITHDRAWN published on 5.12.2011
Selected format:Tolerance limit of mercury in foods
WITHDRAWN published on 23.9.1981
Selected format:Maximum levels of contaminants in foods
WITHDRAWN published on 25.1.2005
Selected format:National food safety standards -- Contaminants in foods
WITHDRAWN published on 13.11.2012
Selected format:[Including 2021XG1] Food safety national standard -- Contaminant limits in food
WITHDRAWN published on 17.3.2017
Selected format:Protocol of PCR for equine rhinopneumonitis virus
WITHDRAWN published on 30.12.2011
Selected format:Pharmacodynamic test technical specification for aquaculture antimicrobial agent—Part 1:Antibiotics susceptibility test of macro-broth dilution method
WITHDRAWN published on 30.12.2011
Selected format:Pharmacodynamic test technical specification for aquaculture antimicrobial agent—Part 2:Prevention and cure test with artificial infection
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2026-05-14 (Number of items: 2 277 490)
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