Graphene Poker Cards

"Boss, I think you should do a checkup. After all, frequent nosebleeds for two months in a row may be a sign of leukemia…"

Qian Wenhuan recalled that this had happened to Chen Chen two months ago and he looked worried. "You're only twenty-two this year. You should still have plenty of time left to squander, so don't overwork yourself. After all, you've accomplished so much. If you collapse, all of this would fall into the hands of others…"

"Don't worry. Didn't I just get a blood test recently?"

Chen Chen waved his hand. "I'm just heaty, that's all. It's fine."

"Okay…"

Seeing this, Qian Wenhuan could only nod. He then took out the iron box. "This is what you asked for."

"Is this functionalized graphene obtained through oxidation?" Chen Chen asked.

"It seems so…"