GB/T Recommended National Standards
Browse selected GB/T standards used in quality, testing, product compliance, and China market-entry workflows.
GB/T 42522-2023
PublishedTesting method for static air leakage rate of iron ore sintering system
- Issued
- 2023-05-23
- Effective
- 2023-12-01
GB/T 42518-2023
PublishedBismuth germanate (BGO) crystal—Chemical analysis of trace elements—Glow discharge mass spectrometry
- Issued
- 2023-05-23
- Effective
- 2023-09-01
GB/T 27698.1-2023
Published- Issued
- 2023-05-23
- Effective
- 2023-05-23
GB/T 8151.25-2023
Published- Issued
- 2023-05-23
- Effective
- 2023-12-01
GB/T 15776-2023
PublishedGB/T 42512-2023
PublishedGB/T 30030-2023
PublishedGB/T 23527.1-2023
PublishedQuality requirements for enzyme preparations—Part 1：Protease preparations
- Issued
- 2023-03-17
- Effective
- 2024-04-01
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