QA testers mainly test some products. If they do some tests on mechanical properties and physics, the salary may not be very high, but if they are in chemistry, they may be better.

But it also depends on what industry you are a QA tester. If it is a high-tech industry, it should still have a future.

As for what you are talking about, clothing, home appliances, toys and so on. I can only say that most industrial products have this position, but the title may be different.

It seems that the requirements for college graduation may not be very strict. It is best to have a vocational college.