How long does it take to learn plastic molds? How about the study salary?

There are many kinds of plastic molds, such as injection mold, blow mold and extrusion mold. . .

So learn the general basic knowledge first, and then study alone. You have to decide what you want to study, learn the basic knowledge for half a year, and then go to the plastic mold factory for an internship, so that you can go further. As for the salary, it is only 2000 at the beginning, depending on personal ability and factory conditions after study. It can be very high, or it can be treated as a general salary.