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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
Continuous mechanical handling equipments—Safety specification—General rules
Standard published on 29.8.2025
Selected format:Tools for moulding—Shouldered ejector pins
Standard published on 29.8.2025
Selected format:Tools for moulding—Ejector pins with cylindrical head
Standard published on 29.8.2025
Selected format:General technical specifications for subsea self-moving trenching operation system
Standard published on 29.8.2025
Selected format:Plastics - Phenolic moulding materials - Determination of acetone-soluble matterapparent resin content of material in the unmoulded state
Standard published on 4.8.2008
Selected format:General technical specifications for subsea plough operation system
Standard published on 29.8.2025
Selected format:Road vehicles—Pneumatic braking systems—Part 1: Pipes,male fittings and tapped holes with facial sealing surface
Standard published on 29.8.2025
Selected format:Road vehicles—Pneumatic braking systems—Part 2: Pipes,male fittings and tapped holes with conical sealing surface
Standard published on 29.8.2025
Selected format:Design requirement of lithium battery management system for submersible
Standard published on 29.8.2025
Selected format:Electromagnetic testing method for hard spots on the surface of steel plates
Standard published on 29.8.2025
Selected format:Latest update: 2026-11-10 (Number of items: 2 209 227)
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