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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
Design and metrological characteristics of callipers
Standard published on 31.10.2025
Selected format:Tools for moulding—Mould bases—Round locating elements and spacers
Standard published on 31.10.2025
Selected format:Tools for pressing—Round punches with 60° conical head and reduced shank
Standard published on 31.10.2025
Selected format:Foundry machinery—Vocabulary—Part 1: General
Standard published on 31.10.2025
Selected format:Foundry machinery—Vocabulary—Part 2: Molding and coremaking machines and other equipment related to non-permanent mold casting process
Standard published on 31.10.2025
Selected format:Foundry machinery—Vocabulary—Part 3Die casting machines and other equipment related to permanent mold casting process
Standard published on 31.10.2025
Selected format:Foundry machinery—Vocabulary—Part 4: Abrasive blasting machines and other equipment related to cleaning and finishing for casting
Standard published on 31.10.2025
Selected format:Foundry machinery—Vocabulary—Part 5: Cupola furnaces and pouring devices and ladles
Standard published on 31.10.2025
Selected format:Portable chain-saw hand-guards—Mechanical strength
Standard published on 31.10.2025
Selected format:Portable chain-saws—Minimum handle clearance and sizes
Standard published on 31.10.2025
Selected format:Latest update: 2026-08-26 (Number of items: 2 298 418)
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