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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
Flexible insulating sleeving - Part 4: Glass textile sleeving with acrylic based coating
Standard published on 30.12.2011
Selected format:Flexible insulating sleeving - Part 5: Glass textile sleeving with silicone elastomer coating
Standard published on 30.12.2011
Selected format:Flexible insulating sleeving - Part6Glass textile sleeving with polyurethane(PUR) based coating
Standard published on 30.12.2011
Selected format:Industrial potassium chloride
Standard published on 30.12.2008
Selected format:Evaluating guide for water saving enterprises
Standard published on 28.12.2018
Selected format:Structural steel for ship and ocean engineering
Standard published on 12.10.2022
Selected format:Three-point quick-attaching coupler of implement to agricultural wheeled tractors - Category 3N4N
Standard published on 15.11.2009
Selected format:The strength testing method and accepting conditions of the rear-mounted protective structures on wheeled agricultural and forestry tractors - Part 1: Static testing method of rear mounted ROPS
Standard published on 3.6.2008
Selected format:The strength testing method and accepting condition of the protective structures on wheeled agricultural and forestry tractors - Part 2: Dynamic testing method
Standard published on 9.7.2008
Selected format:Determination of peel resistance of high-strength adhesive bonds—Floating-roller method
Standard published on 29.8.2025
Selected format:Latest update: 2026-06-14 (Number of items: 2 282 206)
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