GB/T 30000.31-2023 Chinese PDF (GB/T30000.31-2023) GB/T 45381-2025 GB/T 25246-2025_Chinese: Technical specification for

GB/T 25246-2025_Chinese: Technical specification for land application of livestock and poultry manure fertlizer (Chinese: 畜禽粪肥还田技术规范)

English versions: GB/T 45469-2025

GB/T 23229-2023_Chinese: Methods for analysis of waterborne wood preservatives (Chinese: 水载型木材防腐剂的分析方法)

3-2024_Chinese: Cybersecurity technology - Hash-functions - Part 3: Dedicated hash-functions (Chinese: 网络安全技术 杂凑函数 第3部分：专门设计的杂凑函数)

4-2025_Chinese: Lightning protection system components (LPSC) - Part 4: Requirements for conductor fasteners (Chinese: 雷电防护系统部件（LPSC） 第4部分：导体紧固件的要求)

GB/T 30000.31-2023 Chinese PDF (GB/T30000.31-2023) GB/T 45381-2025 GB/T 25246-2025_Chinese: Technical specification forGB T 30000. 31 2023_Chinese: Specification for classification and labelling of chemicals Part 31: Precautionary label for workplace of chemicals (Chinese: 31) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30000. 31 2023