Mecha Nation: the System Took Me to Hand over Black Technology

Long Ye, a genius engineer, activated the great country craftsman system due to an accident. From the stern look of a single Kirin mecha to the steel torrent of the heavenly mecha army, he used the sharp power of his fingertips to forge the most important weapons of the Chinese nation, tearing apart The technical cage of foreign enemies protects the territory of the country and the glory of the nation, but powerful enemies are lurking on the road ahead, and undercurrents are surging. People from overseas disguised themselves and sneaked into the base to steal the core of the mecha. There is a ghost inside, colluding with foreign enemies, leaking information, and waiting for opportunities. Fortunately, there are brothers who stick by each other life and death, and work together to solve the mystery of the spy war; the smart beauty helps each other with warmth, and protects the results of research and development together. He used his ingenuity to build the soul of the army, used technology to protect his family and country, and went to his mission with blood. In the fog of the turbulent espionage war, a strange chess game against the entire Chinese military industry has been laid out, and Long Ye is forced to get involved in this chess game...