CEL-014. Computer Monitors
China
Displays
Mandatory
Comparative Label
Entered into force, Adopted
2009
2015
May 2021
Electricity
CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, Adopted
2010
May 2021
Electricity
CQC31-452629-2016. Energy Conservation Certification Rules for Computer Monitors
China
Displays
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2016
May 2021
Electricity
CQC31-452691-2016 Energy conservation certification rules for LED display unit
China
Displays
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2016
June 2021
Electricity
CQC31-452692-2017 Energy conservation certification rules for multimedia display terminal
China
Displays
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2017
June 2021
Electricity
CQC31-461212-2020. Energy Conservation Certification Rules for Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, Revised
2003
2020
May 2021
Electricity
CQC31-461219-2010. CQC Mark Certification - Power Transformer
China
Power Transformers
Voluntary
Endorsement Label
Entered into force, Adopted, 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, Adopted
2022
October 2022
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, Adopted, Revised
2006
2024
December 2024
Electricity
GB 21520-2015 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Computer Monitors
China
Displays
Mandatory
Minimum Performance Standard
Entered into force, Adopted, Revised
2008
2016
June 2021
Electricity