Traveling through the sword to engage in military industry.

Ren Zhong travels through the world of Bright Sword. He has no system and no space, so he cannot explode cannons, tanks and other weapons. He has to start military industry from scratch and accidentally becomes a powerful country.
Not enough bullets? Try a manual production line with a daily output of 10,000.
The team doesn't have good guns? Don't worry, once the 56 semi-automatic rifle is revealed, you won't even have to change it even if you get a Type [-] rifle!
The guerrillas are short of firepower? Arrange! Once the 107 firepower is high, what else do we need Italian artillery!
Developing science and technology, but turning the lack of guns and bullets into firepower coverage, is this still Tubalu?
Many years later, I suddenly discovered that the powerful person was actually me!
...
No space, no equipment explosion, farming style of resistance, rationalization of liver technology.

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