How much does the mask factory earn a month during the epidemic?

4.4 1 100 million. During the epidemic period of 20 19-2020, the sales of protective equipment such as medical masks in Zhende increased sharply, which was in short supply, so it set the highest monthly income since the establishment of the company, that is, the highest monthly income of 44 10/00000, ranking first in the industry. Therefore, during the epidemic period, the monthly income of mask factory was the highest, which was 44 10/00000.