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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
Fixed electric double-layer capacitors for use in electric and electronic equipment—Part 1:Generic specification
Standard published on 31.12.2025
Selected format:Fixed electric double-layer capacitors for use in electric and electronic equipment—Part 2: Sectional specification—Electric double-layer capacitors for power application
Standard published on 31.12.2025
Selected format:Transitions, pulses and related waveforms—Terms, definitions and algorithms
Standard published on 31.12.2025
Selected format:Rebar truss deck with permanent cement-based bottom formwork for rural housing
Standard published on 2.12.2025
Selected format:Lightweight sandwich insulation wall panel for rural housing
Standard published on 2.12.2025
Selected format:Technical requirements for integrated load-bearing and insulation wall panels and connecting accessories in low-rise and mid-rise rural housing
Standard published on 2.12.2025
Selected format:Plastics—Methyl methacrylate-acrylonitrile-butadiene-styrene(MABS) moulding and extrusion materials—Part 1: Designation system and basis for specifications
Standard published on 2.12.2025
Selected format:Plastics—Methyl methacrylate-acrylonitrile-butadiene-styrene (MABS) moulding and extrusion materials—Part 2: Preparation of test specimens and determination of properties
Standard published on 2.12.2025
Selected format:Plastics—Determination of the total luminous transmittance of transparent materials—Part 1:Single-beam instrument
Standard published on 2.12.2025
Selected format:Plastics - Determination of the total luminous transmittance of transparent materials - Part 2: Double-beam instrument
Standard published on 2.12.2025
Selected format:Latest update: 2026-08-25 (Number of items: 2 298 362)
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