In the second year after graduation, you can automatically become an assistant engineer.
The junior college will take three years (it seems).
I don't remember the technical secondary school. It should be an exam.
But if you make an outstanding contribution,
The factory can help you communicate with the labor and personnel department.
There shouldn't be much problem in judging a helper.
Now the key is to communicate with the leaders in the factory.
It's not difficult to give a gift and help the workers!