CEL-014. Computer Monitors
China
Displays
Mandatory
Comparative Label
Entered into force, New
2009
2015
May 2021
Electricity
CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, New
2010
May 2021
Electricity
CQC31-452629-2016. Energy Conservation Certification Rules for Computer Monitors
China
Displays
Voluntary
Endorsement Label
Entered into force, 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, 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, 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, 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
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 21520-2015 Minimum Allowable Values of Energy Efficiency and Energy Efficiency Grades for Computer Monitors
China
Displays
Mandatory
Minimum Performance Standard
Entered into force, Revised
2008
2016
June 2021
Electricity