The CQC has made changes to the implementation rules CQC11-461217-2015 for transformers and replaced them with the new CQC11-461217-2017 Safety Certification Rules for Power Transformers.
The changes to the implementation rules affect the voluntary CQC-Certification of the following products:
The underlying GB-Standards were changed because on March 23rd 2017, they were converted into voluntary GB/T-Standards.
The previously valid GB-Standards:
Were replaced by the respective GB/T-Standards:
Apart from that, under point 3.1 in the implementation rules, the unit partition for liquid-immersed transformers was adjusted.
Since September 6th, applications can be made according to the new implementation rules.
Already issued certificates based on the old implementation rules can simply be changed at the next modification of products or other applications. There is no need to immediately adjust the certificates.
If you have any questions regarding the voluntary CQC-Certification or other certifications for the Chinese market, feel free to contact us and we will be glad to help you.