Siheyuan: Check in at the Beginning and Beat up Yi Zhonghai!

Lin Jianguo, codenamed "Shen Gong", the youngest director-level engineer at the 509 secret base, quietly returned to the courtyard with a god-level sign-in system! At the beginning, you will receive marrow cleansing pills, god-level martial arts, master skills, super-era black technology, and huge wealth! Are you short of food and clothing in this era? He signed in and the supplies piled up like a mountain, and he feasted on delicacies from the mountains and seas, making the birds cry with greed! The courtyard is full of animals, flies and dogs, taking turns coming to look for trouble? Is Jia and Zhang cheating? Injured by the internal energy shock, he was lying in bed waiting to die! Is Yi Zhonghai hypocritical and calculating? Expose the truth and make you completely extinct! See how Lin Jianguo relied on the sign-in system to develop super alloys, revitalize factories, become a technological power, and was awarded the rank of major general; The iron fist of his right hand strikes out, crushing all the young men, doting on his sister and protecting the old lady, and even has the help of his loyal dog "Big Yellow". In the turbulent 1960s, he lived a happy life that no one dared to offend! Whoever dares to touch a hair of my sister will have his family destroyed! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.