Light up the Technology Tree Starting with Transformers

Traveling through the millennium, Lin Dong opened his eyes and found himself in the Bear Country. At this time, Longguo was in a difficult stage of aviation technology development. Lin Dong resolutely returned to Longguo. Joined the Northwest, and one month later, independently developed and designed Dragon Kingdom's first manned spacecraft - Myth No. 1! Not only can it go to heaven, but it can also transform! Since then, Longguo has broken the manned space technology blockade in one fell swoop! While Mao Xiong and Ying Jiang were still in the imitation stage, Longguo launched generations of intelligent spacecraft: Guan Yu No. 1, Shihuang No. 1... Who says manned spaceflight must carry people? Many years later, when the Dragon Kingdom's intelligent mecha spaceship flew to the sky and the sea, it was like walking on the ground... Mao Xiong and Eagle Sauce: "I thought we were on the third level, but I didn't expect that the Dragon Kingdom had already occupied the atmosphere!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.