CQC31-442412-2020. Energy Conservation Certification Rules for Electric Welding Machines
China
Internal Power Supply
Voluntary
Endorsement Label
Entered into force, Adopted
2020
May 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
CQC31-462121-2009. CQC Mark Certification - Low voltage distribution saver
China
Smart home devices
Voluntary
Endorsement Label
Entered into force, Adopted
2009
June 2021
Electricity