The Regulations on the Administration of Credit Information Industry has corresponding provisions on this:

Article 16 The retention period of personal bad information by credit reporting agencies is 5 years from the date of termination of bad behavior or incident; More than 5 years, should be deleted.

During the retention period of bad information, the information subject may explain the bad information, and the credit reporting institution shall record it. Information subjects can inquire their own information from credit reporting agencies. The subject of personal information has the right to get my credit report twice a year for free.

Extended data:

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Regulations on the Administration of Credit Information Industry and other relevant laws and regulations:

Article 37 The list of enterprises with serious dishonesty shall be announced to the whole society through the website of Credit Shenyang or the news media. The publication of the list of seriously untrustworthy enterprises should be objective, accurate and fair, and ensure the legality and authenticity of the published information.

If an enterprise has any objection to the determination of serious dishonesty or disciplinary decision, the administrative organ and relevant organizations shall make an objection handling decision within 15 working days from the date of accepting the objection handling application, and reply the handling result to the applicant.

Article 38? If you have any objection to the determination or disciplinary decision of serious dishonesty, you may apply to the administrative organ or relevant organization that made the determination or disciplinary decision for objection handling. The administrative organ and relevant organizations shall make an objection handling decision within 15 working days from the date of accepting the objection handling application, and reply the handling result to the applicant.

Baidu Encyclopedia-Regulations on the Administration of Credit Information Industry