GB/T 12940-2023 Chinese PDF (GB/T12940-2023) GB/T 9981-2025 GB 30254-2024_Chinese: Minimum allowable values

GB 30254-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for cage three-phase high voltage induction motor (Chinese: 高压三相笼型异步电动机能效限定值及能效等级)

English versions: GB/T 45105-2024

English versions: GB 45067-2024

GB 20052-2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: 电力变压器能效限定值及能效等级)

GB 43630-2023_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for tower and rack servers (Chinese: 塔式和机架式服务器能效限定值及能效等级)

GB/T 12940-2023 Chinese PDF (GB/T12940-2023) GB/T 9981-2025 GB 30254-2024_Chinese: Minimum allowable valuesGB T 12940 2023_Chinese: Technical specification for silver graphite electrical contacts (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12940 2023