I Became the First Prince: Legend of Sword's Song - Chapter 279

Qin Tao, the famous ship chief engineer, went back thirty years ago to the Mingzhou Shipyard that he had abandoned. Everything will start all over again!

The factory manager and the cashier ran away with the money? Qin Tao made a move to get a bucket of gold. Speedboat not fast enough? Then hang more engines! Can’t the wings of Hongqi 61 be folded? Qin Tao will solve it!

Dredgers, LNG ships, catamaran missile boats, stealth frigates, Aegis air defense ships… Let’s see how Qin Tao casts a warship of a great power step by step!

- Description from novelbuddy

A supreme expert in the Immortal World had died, and a strand of his soul returned to its original body on Earth. Tang Xiu discovered with amazement that ten thousand years passed in the Immortal World, yet only a single year passed on Earth.

Ruthlessly betrayed by his lover and trusted friends, Tang Xiu found that his soul went back to his previous body on Earth, and, despite he spent 10,000 years in the Immortal World, just a year has passed on Earth and many things have changed. Having an unsurpassed knowledge, Tang Xiu will protect his loved ones and go back to the Immortal World to take his revenge.

- Description from Novelupdates

Xiao Luo and his girlfriend had been in love with each other for four years when she proposed a break up. Because of this, Xiao Luo sped his car in the night and ended up in a car accident. But it was a blessing in disguise as he unexpectedly fused with a high tech system that originated from a universe hundreds of billions of light years away. From this moment on, the entire world started to run amok…..

This novel is also known as From The Start, I Traded A Galactic Warship

After getting a trading platform three thousand years later, everything in the world has become an antique, worth a thousand gold.

But it was also learned that three years later, aliens invaded, human beings fell, and the dark starry era began.

In this era of unprecedented change in tens of thousands of years.

Shen Shi decided.

First trade a space battleship, and then talk about it.

then–

Battleships come to the world from outer space! Global shock! Starry Sky Era, open in advance!

- Description from novelbuddy