Siheyuan, Starting from Apprenticeship

Reborn in 62 years, he became a newly hired apprentice in a steel rolling mill! And bind a proficiency panel... Rely on the proficiency panel to be promoted from apprentice to engineer step by step... From tractors to tank tracks, from engines to aerospace fields... Li Weiguo served his country and lived his wonderful life step by step. At the same time, he did not forget to embrace his beautiful wife...