The double smooth roll crusher can be used for finely crushing various high and medium hardness ores and rocks in the industrial sectors such as mineral processing, chemical industry, cement, refractory materials, abrasives, building materials, etc., especially for the production of guar and mung beans in the building materials industry. Products such as sand have better effects than general crushing machinery.

The four-roll crusher is a new product based on the extension of the double-roll crusher and the double-toothed roller crusher. It contains the advantages of the two types of equipment, the double-roll crusher and the toothed roller crusher. It can also be said to be a collection of these two equipment.