What is the profit of opening a blown film factory?

The profit of a film blowing machine is about 3000-4000 yuan a year. It is impossible to make a lot of money with only one film blowing machine, about 3000-4000 yuan a year. If you don't understand the film blowing machine industry, you may waste a lot of money. The investment cost depends on the size of the film blowing machine, and the price of the film blowing machine ranges from more than 20 thousand to tens of millions.