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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
Technical specifications for high temperature superconducting thin films of microwave passive devices
Standard published on 28.1.2026
Selected format:Footwear—Chemical tests—Determination of short-chain chlorinated paraffins
Standard published on 31.12.2025
Selected format:Juvenile products—Technical specification for baby carry cots
Standard published on 31.12.2025
Selected format:Balancing of rotating tools and tool systems
Standard published on 28.1.2026
Selected format:Determination of nitrogen, sulfur and phosphorus in foundry reclaimed sand
Standard published on 28.1.2026
Selected format:Non-destructive testing—Methods of alternating current field measurement (ACFM) for metal structures
Standard published on 28.1.2026
Selected format:Information technology—General specification for rack-scale server
Standard published on 31.12.2025
Selected format:Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 1Determination of copper content—Flame atomic absorption spectrometry
Standard published on 29.9.2017
Selected format:Methods for chemical analysis of titanium sponge, titanium and titanium alloys—Part 10Determination of chromium content—Ammonium ferrous sulfate titration and inductively coupled plasma atomic emission spectrometrywith vanadium
Standard published on 6.3.2020
Selected format:Sponge titaniumtitanium and titanium alloys--Determination of chromium content in the absence of Vanadium--Ammonium ferrous sulfate titration method
Standard published on 4.11.1996
Selected format:Latest update: 2026-11-09 (Number of items: 2 209 259)
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