We need your consent to use the individual data so that you can see information about your interests, among other things. Click "OK" to give your consent.
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
Test code of accuracy for metalforming machine
Standard published on 16.3.2009
Selected format:Straight-sided one- or two-point mechanical power presses—Testing of the accuracy
Standard published on 31.10.2025
Selected format:Screw thread micrometer
Standard published on 25.4.2024
Selected format:Rotary mowers
Standard published on 3.6.2008
Selected format:Power transformers—Part 1:General
Standard published on 17.12.2013
Selected format:Power transformers—Part 10:Determination of sound levels
Standard published on 12.10.2022
Selected format:Power transformers—Part 101: Determination of sound levels—Application guide
Standard published on 17.3.2023
Selected format:Power transformers—Part 11:Dry-type transformers
Standard published on 9.3.2022
Selected format:Power transformers—Part 12:Loading guide for dry-type power transformers
Standard published on 17.12.2013
Selected format:Power transformer—Part 14:Liquid-immersed power transformer using high-temperature insulation materials
Standard published on 9.3.2022
Selected format:Latest update: 2026-06-01 (Number of items: 2 280 707)
© Copyright 2026 NORMSERVIS s.r.o.