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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
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:Plastics - Phenolic powder moulding compounds - Part 3: Requirements for selectes moulding compounds
Standard published on 18.9.2008
Selected format:Prestressed concrete hollow-core slabs
Standard published on 11.9.2007
Selected format:Hydraulic fluid power - Filter element - Verification of fabrication integrity and determination of the first bubble point
Standard published on 18.4.2007
Selected format:Hydraulic fluid power - Filter elements - Verification of material compatibility with fluids
Standard published on 2.7.2007
Selected format:Hydraulic fluid power - Filter elements - Part 3Verification of collapse/burst pressure rating
Standard published on 14.1.2011
Selected format:Latest update: 2026-08-07 (Number of items: 2 292 304)
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