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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
Safety regulations for dust explosion protection in raw grain loading and unloading system in port
WITHDRAWN published on 11.12.2008
Selected format:Directives for dust explosion protection for dust collectors in dust explosion hazardous ares
WITHDRAWN published on 29.11.1999
Selected format:Distillate fuels—Determination of mercaptan sulphur—Potentiometric titration method
WITHDRAWN published on 29.4.1988
Selected format:Earth-moving machinery—Seat belts and seat belt anchorages
WITHDRAWN published on 6.12.1999
Selected format:Earth-moving machinery—Roll-over protective structures—Laboratory tests and performance requirements
WITHDRAWN published on 6.12.1999
Selected format:Analysis method for oil-bearing waste water from marine petroleum development industry
WITHDRAWN published on 6.12.1999
Selected format:General requirements for products of designations of origin or geographical indications
WITHDRAWN published on 7.12.1999
Selected format:Standard practice for X-ray real-time examination of cylinders weld
WITHDRAWN published on 17.12.1999
Selected format:Standard practice for X-ray digital radioscopic examination of cylinder weld
WITHDRAWN published on 30.12.2011
Selected format:Valves for compression natural gas cylinders for vehicles
WITHDRAWN published on 17.12.1999
Selected format:Latest update: 2025-09-10 (Number of items: 2 232 034)
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