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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
Thrown silk
Standard published on 25.4.2016
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 1: 24° cone connectors
Standard published on 6.8.2023
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 2: 37° flared connectors
Standard published on 23.5.2023
Selected format:Connections for hydraulic fluid power—Metallic tube connections—Part 3:Face seal
Standard published on 29.6.2024
Selected format:Connections for hydraulic fluid power—Metallic tube connectors—Part 4: 60° cone connectors
Standard published on 23.5.2023
Selected format:Lifesaving appliances for inland waterway ships—Bed-type,pillow-type and cushion-type
Standard published on 6.2.2018
Selected format:Connections for pneumatic fluid power—Ports and stud ends
Standard published on 31.10.2025
Selected format:Hydraulic fluid power--Fluids--Method for coding the level of contamination by solid particles
Standard published on 11.10.2002
Selected format:Plastics - Phenolic powder moulding compounds - Part 1: Designation system and basis for specifications
Standard published on 4.8.2008
Selected format:Plastics - Phenolic powder moulding compounds - Part 2: Preparation of test specimens and determination of properties
Standard published on 4.8.2008
Selected format:Latest update: 2026-04-08 (Number of items: 2 271 105)
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