Then, you are a little old. Maybe you want to be older around 30. Now if ordinary workers can find young people, they'd better have experience.
Because you don't think this kind of thing has high technical content, just teach it casually. This is the problem of making it.
As for the salary, don't ask here. Do you think someone at Baosteel will give you an answer?
Moreover, wages are always changing, and ordinary workers basically started in 2000 (other factories)