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20-2025_Chinese: Methods for chemical analysis of tungsten concentrates - Part 20: Determination of mercury content - Solid sampling and direct mercury analysis method (Chinese: 钨精矿化学分析方法 第20部分：汞含量的测定 固体进样直接测定法)
English versions: GB/T 16763-2023
GB/T 45178-2024_Chinese: Man-made fibre - Determination of antioxidant activity - DPPH and ABTS methods (Chinese: 化学纤维 抗氧化活性测定 DPPH和ABTS法)
GB/T 45503-2025_Chinese: The code of practice for automotive ethernet ECU test (Chinese: 汽车以太网电子控制单元测试规程)
GB/T 26846-2024_Chinese: Lead-out wire and connector of motor and controller used for electric bicycles (Chinese: 电动自行车用电动机和控制器的引出线及接插件)
GB 4716-2024 Chinese PDF GB/T 14264-2024 20-2025_Chinese: Methods for chemical analysisGB 4716 2024_Chinese: Point type heat fire detectors (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 4716 2024
