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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
Technical guidelines for comprehensive utilization of pre-drainage water
Standard published on 6.8.2023
Selected format:Technical condition for marine reclaimed-water reused treatment equipment
Standard published on 6.8.2023
Selected format:Requirements for three-dimensional model simplification and lightweight of mechanical products
Standard published on 6.8.2023
Selected format:Discharge standard of water pollutants for textile industry
Standard published on 27.6.2026
Selected format:Non-destructive testing—Specific methodology and general evaluation criteria for acoustic emission testing of fibre-reinforced polymers
Standard published on 6.8.2023
Selected format:Non-destructive testing—Acoustic emission testing—Measurement method for acoustic emission signals in concrete
Standard published on 6.8.2023
Selected format:Non-destructive testing—Ultrasonic testing and evaluation for turbing-blades in service
Standard published on 6.8.2023
Selected format:Non-destructive testing—Ultrasonic testing and evaluation for turbing-blades in service
Standard published on 6.8.2023
Selected format:Urban public facilities—Urban furniture—Terminology
Standard published on 6.8.2023
Selected format:Urban public facilities service—Urban furniture—Evaluation specification for system construction
Standard published on 6.8.2023
Selected format:Latest update: 2026-09-22 (Number of items: 2 302 417)
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