Chen Feng's tense face stretched out and he nodded with satisfaction.

"However, the key is the composition of the gunpowder, which is very different from what we have seen before."

Chen Feng looked up to the sky and laughed appreciatively:

"Tang Fei did it, this son is really cunning and wise!"

Then, Chen Feng asked them again:

"You ......

Chapter 112 of "The Best Loser" is in the middle of the hand, please wait a while,

Once the content is updated, please refresh the page again to get the latest updates!