Why do machinery factories like to recruit apprentices?

Low cost. Because many machinery factories have high requirements for hiring experienced masters, and the cost of recruiting apprentices is extremely low because they have no technical content. So I like to recruit apprentices. Machinery factory refers to the industrial department engaged in the production of various power machinery, lifting and transportation machinery, chemical machinery, textile machinery, machine tools, tools, instruments, meters and other mechanical equipment. The machinery manufacturing industry provides technical equipment for the whole national economy.