GB 45320-2025 Chinese PDF GB/T 17145-2024 GB 6944-2025_Chinese: Classification and code

GB 6944-2025_Chinese: Classification and code of dangerous goods (Chinese: 危险货物分类和品名编号)

English versions: GB/T 12789

1-dichloroethane (Chinese: 食品安全国家标准 食品接触材料及制品 氯乙烯、1

307-2025_Chinese: National food safety standard - Determination of formaldehyde in foods (Chinese: 食品安全国家标准 食品中甲醛的测定)

5-2025_Chinese: Uncut finished spectacle lenses - Part 5: Abrasion-resistant of surfaces test methods (Chinese: 眼镜镜片 第5部分：表面耐磨试验方法)

GB 45320-2025 Chinese PDF GB/T 17145-2024 GB 6944-2025_Chinese: Classification and codeGB 45320 2025_Chinese: Safety and general technical specifications for construction waterproof sheets (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 45320 2025