The paper manuscript that our company is waiting to send to you:

After review, it has been found that the content of the article does not involve state secrets. We agree to submit it as proof!

 

 

 

Unit seal

specific date

(If the author believes that the submitted article is not classified, they may not need to stamp it. However, the editorial department does not assume any responsibility for any related issues caused by confidentiality after the article is published.)