Due to an unexpected accident, Qin Guan traveled to the year 1979. Ding Dong! The super weapon exchange system has been activated! The Type 62 tank is too outdated. Swap it for an M551 Sheridan from the 2020 weapons graveyard! Sheridan isn't enough? How about a T-72? How about an M1A2? How about a Leopard 2? We only have one MiG-23, how can we replicate it? Maybe a Tomcat? What? Besides weapons graveyards, there's also machine tool graveyards and gold graveyards? Are these all exchangeable? Great, exchange whatever you want! This is a book about the rise of the military industry, and a delightful read for leisure time. Military fans are welcome to read.

A massacre brought about by an immortal.

It allowed Yang Ping, an ordinary person, to recall his memories before the time travel and piece together the knowledge about technological development in his previous life.

In order to protect his family, he resolutely embarked on the path of developing technology, manufacturing mechas and fighting against immortals.

"Even if I can't cultivate immortality, I will use the power of technology to defeat the immortals—"

"Even if I can't become an immortal, I want to stand shoulder to shoulder with the gods with my mortal body—"

"Even if I can't become an immortal, today, I will drive a mecha and bring down the high and mighty immortal—"

Fake Zerg: Limited to carbon-based life structures, their evolution relies entirely on exogenous genes, they are unable to maximize the use of organic resources and are basically isolated from the mechanical technology tree.

Real Zerg: Nano-molecular components are designed using genetic programming language for DNA encoding, and each gene expression trait is a sentence.

Continuously absorb foreign species or design various micro-biological tissues or protein elements on their own.

Using cells as assembly factories, various nanoscale biomechanical components are synthesized and printed in a form similar to assembled proteins.

Each individual is composed of countless microscopic bio-machines.

It is not limited to carbon-based life structures and can simultaneously climb the mechanical technology tree.

This is a time traveler who traveled to a foreign starry sky and became the star...

The new book "The System Was Activated Only When I Reached the Peak" has been released, and everyone is welcome to come and have a look!

. . . . . . . . . .

Yang Fan, an outstanding ship designer of the Republic, was kicked back to 1983 by God.

The new book "My Pet is an Alligator Snapping Turtle" has been uploaded, everyone is welcome to take a look.

【Time and Space God】【High Technology】【Interstellar Trading】

Ye Xing's small broken factory encountered an order trap. When in crisis, he suddenly became an interstellar trading agent and traded with various civilizations in the universe.

Aerospace motherships, stealth fighters, exoskeleton armor, electromagnetic rifles, these high-tech things that are out of reach for Blue Star are like toys in Ye Xing's hands.

A box of mineral water in exchange for high-precision machine tools!

A packet of instant noodles in exchange for a special cancer drug!

A box of luncheon meat in exchange for a 1-nanometer lithography machine!

One ton of vegetables in exchange for cold nuclear fusion technology!

One ton of beef for an aerospace aircraft carrier!

What? A technological blockade against us?

The trade between Ye Xing and the myriad races in the universe is growing bigger and bigger, and the trade is connected to the depths of the universe.

When huge interstellar spaceships filled the sky, the enemies of Dragon Kingdom finally began to tremble!

Lin Ling traveled to the world of Girls' Frontline and became the forgotten Commander Zero. Without cheat codes, luck becomes the cheat code; without cheat codes, then he becomes the cheat code himself! Other travelers want to reach the pinnacle of life, but he just wants to go home. [Wushuang Rabbit]

Synopsis: Build an invincible army out of diamonds and green farts, no, crystals and gas... Commander, Ai Meng is coming! Why panic? I've got plenty of energy and money! A certain commander snapped his fingers, and a space station and mushroom eggs descended from the sky. BOOM! It's an endless journey filled with explosions and laughter. Author: The former Psyduck. "Commander's Infinite Part-time Job Journey" is a reprinted work, with chapters posted by netizens. Recommended link: https://www.xwxguan.com/wenzhang/146/146046/

A sudden sinkhole in the middle of the Pacific connects two worlds, and humanity's first contact of the third kind unfolds in an unexpected way. Facing a hostile alien civilization, fighter jets strike from the vast skies! Naval aviation forces fight relentlessly on the front lines of the Western Pacific!