Siheyuan: the Eldest Son of the Yi Family Starts at Nantianmen!

Traveling through 1951 and becoming the biological son of the first man of the Siheyuan, Yi Hua is bound to the Nantianmen system at the beginning! Goal: Establish a Chinese Aegis covering "land, sea, air, space, and electricity"! The novice gift pack has been distributed: Grandmaster-level fitter skills! Photographic memory! T-34 tank improvement drawings! Now that Yi Zhonghai has a biological son, will the Qingman Courtyard turn into the Qinman Courtyard? The ordinary people's life is nothing more than that of short-lived parents, not so much violence and conspiracy. Let's see Yi Hua contribute to the country in the backward era and do his best to develop China! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.