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
Norm of water intake—Part 44 Spandex product
Standard published on 30.8.2019
Selected format:Norm of water intake—Part 45Recycled polyester production
Standard published on 30.8.2019
Selected format:Norm of water intake—Part 46Nuclear power
Standard published on 18.10.2019
Selected format:Norm of water intake—Part 47: Polysilicon production
Standard published on 31.3.2020
Selected format:Norm of water intake—Part 48Polyvinyl product
Standard published on 31.3.2020
Selected format:Norm of water intake—Part 49Polyamide product
Standard published on 31.3.2020
Selected format:Norm of water intake—Part 5Pulp, paper and paper board production
Standard published on 30.12.2022
Selected format:Norm of water intake—Part 50Polyester product
Standard published on 31.3.2020
Selected format:Norm of water intake—Part 51Para-xylene
Standard published on 19.11.2020
Selected format:Norm of water intake—Part 52 : Pure terephthalic acid
Standard published on 19.11.2020
Selected format:Latest update: 2026-09-19 (Number of items: 2 302 332)
© Copyright 2026 NORMSERVIS s.r.o.