Double-Crossing the Apocalyptic Plane, Trading Lithography Machines at the Beginning

Chu Qing, from the Ninth Bureau of Scientific Research of the Dragon Kingdom, obtained an apocalyptic plane that could be double-travelled, and discovered that he could bring high-tech products back to the earth. Starting from trading lithography machines, Longguo independently developed a 3nm lithography machine, completely breaking the fifty-year monopoly of foreign semiconductors. Chu Qing: We want to make our own dragon core. Trade mechanical exoskeletons. Trade mecha technology. Trade electromagnetic rifles. Trade Titan battleship blueprints. Hans Cat Country: "Is there any mistake? The Ninth Bureau of Scientific Research has developed a mechanical exoskeleton that allows ordinary people to lift giant rocks weighing more than 1,000 kilograms?" Eagle Sauce Country: "You said this mecha, which is more than ten meters high, is for agricultural use? Is it not a threat if it is used for farming?" Gallic Chicken Country: "Dragon Country has created its first space strategic force, please lead a wave!" Sakura Country: "Chu Qing, can you sell mecha technology to us?" Chu Qing: "The electromagnetic rifle has been successfully developed and is about to be mass-produced. Pakistan Railway is free of charge... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.