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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
Electrodeposited metallic coatings and related finishes -- Sampling procedures for inspection by attributes
Standard published on 12.10.2005
Selected format:Technical requirements of quality control for metal parts to be coated
Standard published on 1.7.2008
Selected format:General specification for multifunctional solution of iron and steel surface treatment
Standard published on 23.6.2005
Selected format:Plain bearings - Wrapped bushes - Part 1Dimensions
Standard published on 30.12.2011
Selected format:Plain bearings - Wrapped bushes - Part 2: Test data for outside and inside diameters
Standard published on 30.12.2011
Selected format:Plain bearings Wrapped bushes Part 3Lubrication holes, grooves and indentations
Standard published on 30.12.2011
Selected format:Plain bearings - Wrapped bushes - Part 4: Materials
Standard published on 30.12.2011
Selected format:Plain bearings - Wrapped bushes - Part 5: Checking the outside diameter
Standard published on 30.12.2011
Selected format:Plain bearings - Wrapped bushes - Part 6Checking the inside diameter
Standard published on 30.12.2011
Selected format:Plain bearings - Wrapped bushes - Part 7Measurement of wall thickness of thin-walled bushes
Standard published on 30.12.2011
Selected format:Latest update: 2026-03-27 (Number of items: 2 269 573)
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