In this novel coronavirus epidemic, there are the toiling public who want to survive the crisis safely, while there are various businesses who know that it is hard to get a cover and want to seize the opportunity to make quick money. A large wave of manufacturing enterprises rushed to join the team of mask production, which also spawned a large number of mask machine market demand, hurriedly entered the mask machine manufacturers began to fly all over the sky! Demand for masks is huge and prices have soared. Therefore, the considerable benefits brought by the mask machine have made people use it as a "money-printing machine" to rob. But as the epidemic continues to be contained, how long will those mask manufacturers and equipment manufacturers continue to do so? Will you step on thunder in the end?