GB/T 24625-2024 Chinese PDF (GB/T24625-2024) GB/T 14600-2025 31-2025_Chinese: National food safety standard

31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride

1-2024_Chinese: Chemical analysis methods of silicon-based composite rare earth ferroalloy and RE-Mg ferro-silicon alloy - Part 1: Determination of total rare earth and fifteen rare earth elements contents (Chinese: 稀土硅铁合金及镁硅铁合金化学分析方法 第1部分：稀土总量、十五个稀土元素含量的测定)

English versions: GB/T 34497-2023

GB/T 44867-2024_Chinese: Green product assessment - Footwear products (Chinese: 绿色产品评价 鞋类产品)

2-2024_Chinese: Plastics - Poly(methyl methacrylate)(PMMA)moulding and extrusion materials - Part 2: Preparation of test specimens and determination of properties (Chinese: 塑料 聚甲基丙烯酸甲酯(PMMA) 模塑和挤出材料 第2部分：试样制备和性能测定)

GB/T 24625-2024 Chinese PDF (GB/T24625-2024) GB/T 14600-2025 31-2025_Chinese: National food safety standardGB T 24625 2024_Chinese: Guide for the design and application of synchronous motors for converter supply (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24625 2024