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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
Liquid crystal display devices—Part 4:Liquid crystal display modules and cells—Essential ratings and characteristics
Standard published on 15.3.2024
Selected format:Liquid crystal display devices—Part 4-1:Matrix colour LCD modules—Essential ratings and characteristics
Standard published on 15.3.2024
Selected format:Liquid crystal display devices—Part 6-1: Measuring methods for liquid crystal display devices—Photoelectric parameter
Standard published on 11.10.2021
Selected format:Liquid crystal display devices—Part 6-2: Measuring methods for liquid crystal display modules—Reflective type
Standard published on 30.8.2019
Selected format:Liquid crystal display devices—Part 6-3: Measuring methods for liquid crystal display modules—Motion artefact measurement of active matrix liquid crystal display modules
Standard published on 25.4.2024
Selected format:Liquid crystal display devices—Part 6-4: Test methods—Liquid crystal display modules with dynamic backlight units
Standard published on 25.4.2025
Selected format:Salt mist corrosion testing of photovoltaic(PV) modules
Standard published on 28.11.2024
Selected format:Ships and marine technology—Marine facsimile receivers for meteorological charts
Standard published on 25.4.2025
Selected format:Information technologySoftware engineeringGuidelines for the adoption of CASE tools
Standard published on 3.9.2014
Selected format:Coated glassPart 1: Solar control coated glass
Standard published on 31.12.2013
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
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