How Did You Become a Civilized Sword Holder from a Toy Factory?

Jiang Chen traveled through time and has extremely high talent for machinery. Right after graduation, he inherited his family's toy factory, which was about to be eliminated. How can it be possible to specialize in the production and sale of toys for children? The profit is low and the sales volume is small. The path must be changed! Jiang Chen relied on his mechanical talent to start researching one new product after another. Just slowly, Jiang Chen discovered that there was something wrong with the painting style? The submarine model he launched appeared in the Black Sea and became a weapon for sniping warships. The Transformation Gundam he launched became a weapon for street fighting in the Middle East. The fireworks cannon he launched were used to hit satellites in the sky. Jiang Chen was stunned. I'm really just a toy factory. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.