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GB/T 25139-2025_Chinese: Ceramic foam filter for foundry (Chinese: 铸造用泡沫陶瓷过滤网)
5-2024_Chinese: Cybersecurity technology - Evaluation criteria for IT security - Part 5: Pre-defined packages of security requirements (Chinese: 网络安全技术 信息技术安全评估准则 第5部分：预定义的安全要求包)
English versions: GB/T 2977-2024
English versions: GB/T 26050-2024
GB/T 21837-2023_Chinese: Practice for electromagnetic examination of ferromagnetic steel wire rope (Chinese: 铁磁性钢丝绳电磁检测方法)
GB/T 8564-2023 Chinese PDF (GB/T8564-2023) GB/T 18825-2024 GB/T 25139-2025_Chinese: Ceramic foam filterGB T 8564 2023_Chinese: Technical specification for installation of hydraulic turbine generator unit (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 8564 2023
