Black Technology: from Industrial Exploration to the Star-Killing Cannon

Lin Jin traveled to a parallel world and inherited a steel factory that was on the verge of bankruptcy. Fortunately, the technology system has been awakened and the technology tree has started to light up! In the parallel world, aerospace and carbon fiber brazing are all shortcomings. The first aircraft carrier was conceived in the expectation of the whole people. Why was the aircraft carrier arresting cable developed in just one minute at Linjia Iron and Steel Works? "Notified price increase, reward-based supply" carbon fiber. Made by Linjia Fishing Rod Factory, it breaks through and even leads the way! The aircraft carrier is launched, and the world is paying attention to Daxia! But why did Daxia block the sea? Alien civilization is really here! Alien civilization comes to visit, asking for half of the planet. Daxia used Genesis and Stellar Cannon to receive "zero negative reviews". The primitive life form is coming, Lin Jin launches the latest annihilation cannon, piercing the sun! Interstellar travel begins. Looking back, I realize that the three-body problem is actually me!