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English versions: GB 30077-2023
GB/T 13894-2023_Chinese: Petroleum and liquid petroleum products - Level measurement - Manual methods (Chinese: 石油和液体石油产品 液位测量 手工法)
English versions: GB/T 44987-2024
302-2025_Chinese: Solar thermal electric plants - Part 3-2: Systems and components - General requirements and test methods for large-size parabolic-trough collectors (Chinese: 太阳能热发电站 第3-2部分：系统与部件 大尺寸抛物面槽式集热器通用要求与测试方法)
13-2025_Chinese: Electronic railway equipment - Train communication network (TCN) - Part 4-1: The test method of train communication network based on Wire Train Bus(WTB) (Chinese: 轨道交通电子设备 列车通信网络（TCN) 第4-1部分：基于绞线式列车总线（WTB）的列车通信网络试验方法)
GB/T 30553-2023 Chinese PDF (GB/T30553-2023) GB/T 45428-2025 English versions: GB 30077-2023GB T 30553 2023_Chinese: High voltage direct current (HVDC) power transmission using voltage sourced converters (VSC) (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30553 2023
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