Car tycoon starts by marrying daughter of king

Description

What's the point of eating soft food? Men should strengthen themselves!
What? Is she the daughter of the king?
Well...the doctor said that my stomach is not good and I need to eat more soft food!
Rebirth In 1976, when he became a worker, peasant, and soldier college student, Jiang Hui felt that he was completely confused. He had fantasized about being reborn countless times, but not back to more than forty years ago!
However, discovering that his teacher’s daughter is actually the daughter king?
That's okay, now that it's here, let's make peace with it!
In my previous life, I was a senior automotive engineer. Is it not that difficult to make a name for myself?
PS. Business articles, everything else is embellishment!