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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
Polycarbosilanes
Standard published on 28.1.2026
Selected format:Grade and evaluation methods of carbon dioxide emission intensity for terminal
Standard published on 31.12.2025
Selected format:Technical specification for marking and light of aviation obstacles
Standard published on 31.12.2025
Selected format:Technical specifications of the data quality management of greenhouse gas emission for industrial enterprises
Standard published on 31.12.2025
Selected format:Packaging—Transport packaging for dangerous goods—Plastics compatibility testing for packaging and IBCs
Standard published on 31.12.2025
Selected format:Forklift truck attachments—Design rules
Standard published on 31.12.2025
Selected format:Non-destructive testing—Acoustic vibration testing of resin matrix composite parts—Part 1:Tap testing
Standard published on 31.12.2025
Selected format:Non-destructive testing—Acoustic vibration testing of resin matrix composite parts—Part 2:Mechanical impendance testing
Standard published on 31.12.2025
Selected format:Specification for protective physical restraint services for the elderly in senior care organization
Standard published on 31.12.2025
Selected format:Environmental, Social, Governance (ESG) evaluation framework for bond issuers
Standard published on 31.12.2025
Selected format:Latest update: 2026-11-09 (Number of items: 2 209 259)
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