C1500 With a Casual Toss 70 Million

Fu Zhendong wasn't in a hurry to answer. Instead, he looked at it carefully for a long time.

"If my guess is correct, this should be because of the hardness."

"Just like diamonds, ordinary materials can't even leave a scratch on his surface."

In everyone's opinion, glass was a very fragile thing, but when its hardness was high enough, it wouldn't be damaged at all