According to your major, if you hire this unit after graduation, don't have too many illusions about state-owned enterprises and choose your own path. The average monthly income of employees in this enterprise is about 1000, with about 2000 cadres and 3000-5000 front-line workers and middle-level deputies. Overtime depends on which unit, usually finance, design and sales, which is relatively more. The office and department of this unit have never paid overtime.
suggestion
You can consider this unit in the recruitment, which is just a springboard for your re-employment and a good place for further study. It will be very helpful to make up the accumulated work experience, and it must be a national key project. Don't sign personnel files or personnel contracts for too long, it will be easy in five years.
This enterprise is just a learning place, not a development direction.