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GB 21343-2023_Chinese: The norm of energy consumption per unit production of calcium carbide
lithium hydroxide monohydrate and lithium chloride - Cleanliness meter test method (Chinese: 碳酸锂、单水氢氧化锂、氯化锂中磁性异物金属颗粒的测定 洁净度仪测试法)
1-2025_Chinese: Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling - Part 1: Seasonal performance factor of sensible heating recovery (Chinese: 热回收新风机组季节性能系数测试和计算方法 第1部分：供热显热回收季节性能系数)
English versions: GB/T 45011-2024
English versions: GB/T 23500-2025
GB/T 10159-2023 Chinese PDF (GB/T10159-2023) GB/T 45236-2025 GB 21343-2023_Chinese: The norm ofGB T 10159 2023_Chinese: Piano (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 10159 2023
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