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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
Rubber or plastics hoses and hose assemblies—Hydraulic-pressure impulse test without flexing
Standard published on 30.12.2022
Selected format:Industrial rubber sheet
Standard published on 1.4.2008
Selected format:Rubber and latices—Nomenclature
Standard published on 29.8.2025
Selected format:Specification for the codification of synthetic rubber
Standard published on 9.3.2022
Selected format:Fixed power plant steam turbine specifications
Standard published on 28.5.2024
Selected format:Drills
Standard published on 30.1.2007
Selected format:Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 1: General
Standard published on 14.12.2020
Selected format:Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 2: Rectangular copper and copper alloy wire
Standard published on 14.12.2020
Selected format:Rectangular copper or aluminium and its alloy wires for electrical purposes - Part 3: Aluminium rectanglar wire
Standard published on 19.3.2009
Selected format:Rectangular copper or aluminium and its alloy wires for electrical purposes—Part 4: Strip copper conductor
Standard published on 14.12.2020
Selected format:Latest update: 2026-08-13 (Number of items: 2 293 179)
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