GB/T 2516-2023 Chinese PDF (GB/T2516-2023) GB/T 4706.15-2024 18-2025_Chinese: National food safety standard

18-2025_Chinese: National food safety standard - Determination of fluorine in foods (Chinese: 食品安全国家标准 食品中氟的测定)

English versions: GB/T 43325-2023

1-2024_Chinese: Inspection method for structure of wrought aluminium and aluminium alloy products - Part 1: Inspection method for microstructure (Chinese: 变形铝及铝合金制品组织检验方法 第1部分：显微组织检验方法)

6-2023_Chinese: Standard examination methods for drinking water - Part 6: Metal and metalloid indices (Chinese: 生活饮用水标准检验方法 第6部分：金属和类金属指标)

English versions: GB/T 34549-2024

GB/T 2516-2023 Chinese PDF (GB/T2516-2023) GB/T 4706.15-2024 18-2025_Chinese: National food safety standardGB T 2516 2023_Chinese: General purpose metric screw threads Limit deviations (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2516 2023