The roll crusher has many characteristics such as simple structure, reliable operation, low cost. The roll crusher is widely used for intermediate and fine crushing of medium hard and soft ores with fragility and toughness such as coal and coke, which is usually applied in small and medium-sized factories and mines. The roll crusher is divided into plain-roll crusher and toothed roll crusher according to the types of roller. The toothed roll crusher is divided into double tooth-rolls crusher and single tooth-roll crusher according to the amount of roller. Plain-roll crusher is divided into 2 types according to the number of roller: double plain-rolls crusher and four plain-rolls crusher.
Our company has more than 60 years' history of designing and manufacturing roll crusher. Our company adopts two forms: spring adjustment or hydraulic adjustment. Our company has won four series of National Silver Award after several times' upgrading. The products of our company are welcomed by users around the world depending on its advanced design, good performance, stable operation and low energy consumption. Many products of NHI has entered into the international market and made a difference in the early 1960s. At present, the products of our comp[any sells very well in international market and gets good reputation from most users.