C2504 An Epoch-making Cannon

When the Krupp was deceived by Xiao Letian, he was immediately at a loss of what to do. It was obvious that he couldn't continue making up lies! However, he didn't dare to take Xiao Letian to see those new cannon.

After all, the new cannon was the Prussia's secret weapon. The army had given strict orders that these weapons should not be made public until the war broke out.

However