CEL - Variable-Frequency and Permanent Magnet Synchronous Motors for Elevators China
Variable Speed Drives
Mandatory
Comparative Label
Entered into force, New
2014
May 2021
Electricity
CQC31-461238-2009. CQC Mark Certification - Variable frequency speed regulation devices China
Variable Speed Drives
Voluntary
Endorsement Label
Entered into force, Revised
2002
2009
June 2021
Electricity
GB 30253-2013 Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors China
Variable Speed Drives
Mandatory
Minimum Performance Standard
Entered into force, New
2014
June 2021
Electricity
GB 30720-2014 Minimum allowable values of energy efficiency and energy efficiency grades for domestic gas cooking appliances China
LPG Stoves, Cooktops or Hobs
Mandatory
Minimum Performance Standard
Entered into force, Revised
2008
2015
June 2021
Gas
GB30720—2025 Minimum allowable values of energy efficiency and energy efficiency grades for gas cooking appliances China
Steam Cookers, LPG Stoves, Cooktops or Hobs
Mandatory
Minimum Performance Standard
Revised
2014
2025
October 2025
Electricity