CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, New
2010
May 2021
Electricity
CQC31-448174-2015. CQC Mark Certification - Water Dispenser
China
Water Coolers
Voluntary
Endorsement Label
Entered into force, New
2015
June 2021
Electricity
CQC31-461212-2020. Energy Conservation Certification Rules for Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Revised
2003
2020
May 2021
Electricity
CQC31-461219-2010. CQC Mark Certification - Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Revised
2003
2010
August 2018
Electricity
CQC31-462271-2022 Energy Conservation Certification Rules for High-Voltage/Low-Voltage Prefabricated Substations
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, New
2022
October 2022
Electricity
CQC32-439154-2016 Water Conservation Certification Rules for Household and Similar Use Reverse Osmosis Drinking Water Treatment Purifiers
China
Water Coolers
Voluntary
Endorsement Label
Entered into force, New
2016
June 2021
Electricity
GB 20052-2024 Energy efficiency limit values and energy efficiency grades for power transformers
China
Power Transformers
Mandatory
Minimum Performance Standard
Entered into force, Revised
2006
2024
December 2024
Electricity
GB 30978-2014 Minimum allowable values of the energy efficiency and energy efficiency grades for water dispensers
China
Water Coolers
Mandatory
Minimum Performance Standard
Entered into force, New
2015
June 2021
Electricity