C370 Dreams and reality

Zhang Fei shouted: "One hundred silver taels! It's more than two times more expensive than the latest Stone Cannon. Its power is inferior to the latest one, so what's the use of creating this thing! "

Tie Cheng said awkwardly.

Chen Lang patted Zhang Fei's shoulder, and laughed: "Although the cannon is not very strong now, but I believe, in the future