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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
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WITHDRAWN published on 1.1.1980
Selected format:Thermal spraying procedures for the application of thermally sprayed coating for engineering components
WITHDRAWN published on 23.6.2005
Selected format:General specification and safety requirements for DC power supply equipment of power projects
WITHDRAWN published on 29.7.2005
Selected format:Technology specification of quality management for edible salt authorized enterprises
WITHDRAWN published on 21.7.2005
Selected format:Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells
WITHDRAWN published on 4.7.2005
Selected format:Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells
WITHDRAWN published on 30.12.2011
Selected format:Petroleum and natural gas industries—Steel pipes for use as casing or tubing for wells
WITHDRAWN published on 12.5.2017
Selected format:Petroleum and natural gas industries—Drilling and production equipment—Inspection, maintenance, repair and remanufacture of hoisting equipment
WITHDRAWN published on 4.7.2005
Selected format:Self-regulation heating belt
WITHDRAWN published on 13.7.2005
Selected format:Instrumentation for electric vehicles
WITHDRAWN published on 13.7.2005
Selected format:Latest update: 2025-12-24 (Number of items: 2 253 093)
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