GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 2-2023_Chinese: Express service - Part

2-2023_Chinese: Express service - Part 2: Organization requirements (Chinese: 快递服务 第2部分：组织要求)

GB/T 44942-2024_Chinese: Footwear - Test method for insoles and insocks - Dimensional change after cycle of wetting and drying (Chinese: 鞋类 内底和内垫试验方法 干湿循环尺寸变化率)

English versions: GB/T 21295-2024

7-2024_Chinese: Electrical safety in low voltage distribution systems up to 1000V a

GB/T 27866-2023_Chinese: Specification of controlling weld hardness of steel pipe and equipment to prevent sulfide stress cracking (Chinese: 钢制管道和设备防止焊缝硫化物应力开裂的硬度控制技术规范)

GB/T 21679-2023 Chinese PDF (GB/T21679-2023) GB/T 33588.5-2025 2-2023_Chinese: Express service - PartGB T 21679 2023_Chinese: Forensic sciences Criterion for DNA database (Chinese: DNA) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21679 2023