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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
Application formats for oceanographic data records
Standard published on 2.6.2006
Selected format:World ocean/sea area codes
Standard published on 27.8.1990
Selected format:General specifications for transport packages of dangerous goods
Standard published on 21.6.2009
Selected format:wooden boxes
Standard published on 24.2.2016
Selected format:Piping compensatory couplings
Standard published on 28.2.2017
Selected format:Terminology of corrosion and protection for ship and marine engineering
Standard published on 18.10.2019
Selected format:Quality reqirements for fusion welding of metallic materials - Part 1: Criteria for the selection of the appropriate level of quality requirements
Standard published on 30.10.2009
Selected format:Quality reqirements for fusion welding of metallic materials - Part 2: Comprehensive quality requirements
Standard published on 30.10.2009
Selected format:Quality reqirements for fusion welding of metallic materials - Part 3: Standard quality requirements
Standard published on 30.10.2009
Selected format:Quality reqirements for fusion welding of metallic materials - Part 4: Elementary quality requirements
Standard published on 30.10.2009
Selected format:Latest update: 2026-03-24 (Number of items: 2 269 385)
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