C617 Where Did You Come From?

Lau Muzi glared at the salesman, but didn't know how to expose his lies. After all, she didn't know much about science.

At this moment, Lin Yu walked over with a smile and said:

"Carbon-Magnetic Nano? "You really dare to spout nonsense. You are clearly just a pile of broken iron."

"Where did you come from? "Boy, I advise you not to speak nonsense without evidence!" the salesman said angrily