The main point is that the hardness of the crushed material of the equipment is an important purchase, because if the crushing hardness of the equipment cannot produce the hardness of the materials in the project, it is difficult to smoothly meet the production process, so the customer must according to the materials in the production project.

In order to purchase the right equipment, and also consider the nature of the material's humidity, etc., in addition to the equipment, when buying the equipment, it is better to buy some famous brands to ensure the good work of the equipment;

The other point is that before the purchase, the customer must understand the required fineness of the finished product, and then choose the appropriate production equipment. The fineness of the finished products of different types of vertical roller mill is different. Only the equipment that meets the production requirements is better.