What does it mean that the factory manages two meals a day?

Now factories generally provide employees with two meals a day for free, that is, Chinese food and dinner.

In this factory, working meals are packed twice a day, which means that only this breakfast needs to be paid for by yourself. Working overtime in the factory means eating two meals, and not working overtime means eating one meal. Factories with meals are more cost-effective.

Because almost every factory now works overtime and manages two meals a day, there is only one breakfast left to buy, one month 100 yuan.