GB/T 5686.5-2023 Chinese PDF (GB/T5686.5-2023) GB 45187-2024 GB 31648-2025_Chinese: National food safety

GB 31648-2025_Chinese: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food (Chinese: 食品安全国家标准 食品中二噁英及多氯联苯污染控制规范)

2-2024_Chinese: Processing of medical device - Information to be provided by the medical device manufacturer - Part 2: Non-critical medical devices (Chinese: 医疗器械的处理 医疗器械制造商提供的信息 第2部分：低度危险性医疗器械)

GB/T 45456-2025_Chinese: Packaging - Determination of crease stiffness for folding cartons (Chinese: 包装 折叠纸盒折痕挺度的测定)

28-2024_Chinese: Specification for inspecting exit cultural relics - Part 28: Baldric (Chinese: 文物出境审核规范 第28部分：佩饰)

ecotoxicity and control of constituents (Chinese: 塑料 农业和园艺地膜用土壤生物降解材料 生物降解性能、生态毒性和成分控制的要求和试验方法)

GB/T 5686.5-2023 Chinese PDF (GB/T5686.5-2023) GB 45187-2024 GB 31648-2025_Chinese: National food safetyGB T 5686. 5 2023_Chinese: Ferromanganese, ferromanganese silicon, nitrogen bearing ferromanganese and manganese metal Determination of carbon content The Infrared absorption method, the gasometric method, the gravimetric method and the coulometric method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5686. 5 2023