Both Qingdao Automobile Factory and Changchun Automobile Factory you mentioned belong to faw liberation Group.
They are all enterprises integrating production and marketing, and it is still very possible for them to enter FAW with a college degree.
If there is a salesman recruitment, you can try it.
But if you want to get promoted, it depends on your relationship and popularity.
As a salesman in faw liberation, even a small salesman has a lot of money.
You can also be a salesman in various regional sales branches, look at luck and pay attention to job advertisements!