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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
Subsea equipment—Part 1: Power connectors, penetrators and jumper assemblies with rated voltage from 3 kV (Umax = 3.6 kV) to 30 kV (Umax = 36 kV)
Standard published on 28.12.2023
Selected format:Ships and marine technology—Navigation and ship operations—Electronic inclinometers
Standard published on 28.12.2023
Selected format:Technical requirements for connecting user-side electrochemical energy storage system to distribution network
Standard published on 28.12.2023
Selected format:Electrical installations in ships—Electromagnetic compatibility—Optimising of cable installations on ships—Testing method of routing distance
Standard published on 28.12.2023
Selected format:Communication technical requirements for electrochemical energy storage battery management
Standard published on 28.12.2023
Selected format:Standardized product ontology register and transfer by spreadsheets—Part 3: Interface for common information model
Standard published on 28.12.2023
Selected format:Standardized product ontology register and transfer by spreadsheets—Part 5 Interface for activity description
Standard published on 28.12.2023
Selected format:Standardized product ontology register and transfer by data parcels—Part 8:Web service interface for data parcels
Standard published on 25.4.2025
Selected format:Fuel consumption for passenger vehicles in operation
Standard published on 30.12.2022
Selected format:Test method of performance for lobster eye micro pore optics
Standard published on 28.12.2023
Selected format:Latest update: 2026-09-11 (Number of items: 2 300 165)
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