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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
Pipe supports and hangers—Part 2:Pipe attachments
Standard published on 6.2.2018
Selected format:Pipe supports and hangers—Part 3:Middle connection attachments and building structure attachments
Standard published on 15.3.2018
Selected format:Pipe supports and hangers—Part 3:Middle connection attachments and building structure attachments
Standard published on 15.3.2018
Selected format:Binoculars
Standard published on 30.12.2008
Selected format:Continuous mechanical handling equipment—Belt conveyors with carrying idlers—Calculation of operating power and tensile forces
Standard published on 31.10.2025
Selected format:Metalforming machinery—Safety technical specification
Standard published on 5.10.2025
Selected format:Lawn and garden ride-on (riding)tractors--Power take-off
Standard published on 1.12.1997
Selected format:Lawn and garden ride-on (riding) tractors--One-point tubular sleeve hitch
Standard published on 1.12.1997
Selected format:Lawn and garden ride-on (riding) tractors--Drawbar
Standard published on 1.12.1997
Selected format:Agricultural tractors and machinery - Power take-off drive shafts and power input connection - Part 1General manufacturing and safety requirements
Standard published on 30.11.2009
Selected format:Latest update: 2026-08-28 (Number of items: 2 298 625)
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