What should I do if the 3c certification of Huayan electric vehicle fails?

1. Determine the reasons for authentication failure: First, it is very important to know the specific reasons for authentication failure. Certification failure is caused by product specifications or manufacturing quality problems. Check the relevant documents or communicate with manufacturers and sellers to find out the specific reasons for the invalidation of the certification.

2. Contact the manufacturer or seller: feed back the problem to the manufacturer or seller of Huayan electric vehicle. Providing detailed information to solve the problem of invalid certification can provide more information and help.

3. Seek professional advice or legal aid: If the manufacturer or seller can't solve the problem, they can consult relevant professional institutions or law firms for legal aid or professional advice. Will provide corresponding guidance according to the specific situation.