When you have raw materials, you should investigate the vertical roller mill. Most of the raw materials need to be tested on the basis of knowing the nature of the raw materials. If we do this, we can perfectly choose the corresponding vertical roller mill according to its hardness, moisture and so on.

At the same time, you should investigate the lower market. Generally speaking, the more fine the raw materials be processed the higher profits for vertical roller mill. And the equipment cost, energy consumption will be higher. According to the demand of the market, we investigate which kind of raw materials will be more widely applied and more popular. Thus we will make our vertical roller mill create more profits.