Mobile jaw crusher plant is one kind of mobile rock crusher. According to the different requirements of different crushing process, Mobile crushing and screening plants can be the following two processes of "crushing first, screening second" or "screening first, crushing second". The mobile stone crushing plant can be composed of two-stage plants or three-stage plants. The two-stage plants consists primary crushing system and secondary crushing system, while the three-stagesystems includes primary crushing plant, middle crushing plant and tertiary crushing plant, each of which is of high flexibility and can be used individually.