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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
Plastics—Test methods for determination of degradation rate and disintegration degree of plastic materials exposed to marine environmental matrices under laboratory conditions
Standard published on 27.11.2023
Selected format:Tractor and machinery for agriculture and forestry--Linch pins and spring pins--Dimensions and requirements
Standard published on 26.2.2001
Selected format:Specification for common service of e-commerce reverse logistics
Standard published on 27.11.2023
Selected format:Requirements for operation management of cross-border e-commerce overseas warehouse
Standard published on 27.11.2023
Selected format:Language-learning services—Requirements
Standard published on 27.11.2023
Selected format:Shoe size
Standard published on 12.10.2022
Selected format:Education and learning services—Vocabulary
Standard published on 27.11.2023
Selected format:Education and learning services—Requirements for distance learning
Standard published on 27.11.2023
Selected format:Test method for bending fatigue of fine ceramics at room temperature
Standard published on 27.11.2023
Selected format:Plastics—Methodology for assessing polymer photoageing—FTIR and UV/visible spectroscopy
Standard published on 27.11.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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