System: I Rejuvenated the Country Through Science and Technology in the 1960S

Dressed as a young man in the 1960s, with a scheming husband's family in front of him, and a covetous mother-in-law's family behind him! Yan Yuanshuang is not afraid at all! Bringing technology systems to help the village invent and develop! Things started to go wrong when she repaired a tractor and developed mobile phones, computers, satellite systems... It makes the process of technological development a lot faster. Yan Yuanshuang: Passionately dedicated to scientific research and loyal to the country! A certain little gangster: Love is mine!