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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
Instant tea in solid form—Part 1: Sampling
Standard published on 1.11.2017
Selected format:Instant tea in solid form—Part 2: Determination of total ash
Standard published on 6.2.2018
Selected format:Instant tea in solid form—Part 4: Specification
Standard published on 31.12.2013
Selected format:Instant tea—Part 5: Methods for determination of free-flow and compacted bulk densities
Standard published on 31.12.2013
Selected format:Electric irons for household or similar use—Methods for measuring performance
Standard published on 19.11.2020
Selected format:Locomotive and car clearance boundary and structure clearance boundary for 762mm gauge railways--Classification and basic dimensions
Standard published on 17.10.1963
Selected format:Guidelines on space debris removal
Standard published on 2.7.2026
Selected format:Phosphate rock and concentrate--Determination of sulfur trioxide content--Gravimetric method
Standard published on 20.12.1995
Selected format:Household microwave oven—Methods for measuring performance
Standard published on 14.10.2017
Selected format:Air cleaner
Standard published on 12.10.2022
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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