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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
Method for measurement of whiteness of building materials and non-metal mineral products
Standard published on 4.5.2008
Selected format:
Steel wire for cold heading
Execute Date: december 2026
Standard published on 25.5.2026
Selected format:Steel wire for cold heading and cold forging - Part 1: Intended for heat treatment
Standard published on 8.7.2009
Selected format:Steel wire for cold heading and cold forging - Part 2: Not intended for heat treatment
Standard published on 8.7.2009
Selected format:Steel wire for cold heading - part 3: Non-quenched and tempered steel wire for cold heading
Standard published on 5.11.2012
Selected format:Safety in installations for electroheating and electromagnetic processing—Part 1: General requirements
Standard published on 30.8.2019
Selected format:Safety in electroheating installations —Part 10:Particular requirements for electrical resistance trace heating systems for industrial and commercial applications
Standard published on 31.12.2015
Selected format:Safety in electroheat installations—Part 11: Particular requirements for installations using the effect of electromagnetic forces on liquid metals
Standard published on 24.2.2016
Selected format:Safety in installations for electroheating and electromagnetic processing—Part 12: Particular requirements for infrared electroheating
Standard published on 31.3.2020
Selected format:Safety in electroheat installations - Part 13: particular requirements for electroheat installation with explosive atmosphere
Standard published on 20.5.2008
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
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