chapter 669 This is a dead end!

The picture presented on the curtain was an instruction.
The instructions were conveyed to Neil by his superiors.
There wasn't much in the document, but the most eye-catching thing was the bright red seal in the lower right corner.
There were two big characters in the chapter.
Top secret!
This! It was a top-secret order!
"York Group is entrusted by superiors to manufacture and produce drugs for the troops. They deliver drugs to the troops every month following regulations to ensure...