Proof of confidentiality review

The paper titled “                          ” written by the authors of         
from our department is going to be submitted to your journal.
After the review, the content of the paper does not involve national secrets. We agree to submit it, hereby certify!

                                                                                                                                            Stamp of organization

                                                                                                                                              Date:

(The author may not have to stamp if he or she thinks that the manuscript he has submitted is not confidential.) However, the editorial office shall not be liable for the related issues caused by the secret concerns after the article is published.)