C1013 Information Secret Level Top Secret

The director's office...

Chen Guoxing was concentrating on checking the information on the "EUV lithography machine."

Although the information Su Lang gave was still as detailed as before.

However, Chen Guoxing still had a lot of things he didn't understand.

Every time he studied it carefully, he would feel enlightened.

"So that's what happened..."

"Why didn't I think of this before..