According to the No.3 Order of the State Administration of Work Safety, except for high-risk industries, the training time for obtaining evidence for safety qualification training of persons in charge of production and business operation units and safety management personnel is 32 hours, and the annual retraining time is 12 hours. The forensic training for the above-mentioned personnel in high-risk industries is 48 hours, and the annual retraining is 16 hours. For details, please consult the local safety production supervision and management department.