There is the development  of the rotor mill and disc mill. liming heavy industry  has many advantages in the mill.Initially, we just related to the mill industry，so we has some patents about mill,such as Super pressure trapezium grinding mill,High Pressure Suspension Grinding Mill,Vertical Mill and so on.

Rotor mill forming in the early 1980s, the use of continuous improvement update, has been in use in a structural way to do significant improvements in mill production from the initial tens of kilograms to hundreds of kilograms or even nearly 1 ton per hour, while the fineness fixed now adjustable.
The rapid development of the Mill of kefid Science & Technology Co., Ltd., product type, high pressure hanging roller mill, Super pressure trapezium mill, three-ring medium speed milling, the European version of the trapezoidal milling machines and other models.
The next decade, kefid will be the main direction of the European version of the mill, the traditional ball mill will be discontinued.