CEL-021. Power Transformer
China
Power Transformers
Mandatory
Comparative Label
Entered into force, New
2010
May 2021
Electricity
CEL-037. Copiers, Printers, and Fax Machines
China
Imaging Equipment
Mandatory
Comparative Label
Entered into force, Revised
2009
2015
May 2021
Electricity
CQC31-452611-2011. CQC Mark Certification - Scanners
China
Imaging Equipment
Voluntary
Endorsement Label
Entered into force, Revised
2003
2011
June 2021
Electricity
CQC31-452627-2014. CQC Mark Certification - Copy machines; printers; fax machines and multi-function equipment
China
Imaging Equipment
Voluntary
Endorsement Label
Entered into force, Revised
2003
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
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 21521-2014 Minimum allowable values of energy efficiency and energy efficiency grades for copy machines; printers and fax machines
China
Imaging Equipment
Mandatory
Minimum Performance Standard
Entered into force, Revised
2010
2015
June 2021
Electricity