Daqin Engineering Corps

Shen Bing, who majored in mechanical design, traveled to the Qin Dynasty.
He just wants to simply survive, who would have thought that this is a life-or-death world, and if you don't make progress, you will be eliminated.
Shen Bing, who is helpless, can only arm himself with inventions.
Improved trebuchet, the enemy can't even touch the root hair under the double range, and the enemy will be knocked over when lying down;
Design the ladder, dozens of people rushed up, over the wall, captured the flag, opened the city gate, and captured another city;
What kind of moat, urn city, etc., is a piece of cake!
then……
Destroy the six kingdoms, set the Huns!
Ping the Western Regions, conquer Rome!
The map of Zeguo Jiangshan's entry into the war, one will succeed and ten thousand bones will die!

Author custom tags Otaku time travel to make money easily